10-Q 1 di655568-10q.txt QUARTERLY REPORT SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 ---------- FORM 10-Q [X] QUARTERLY REPORT UNDER SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2002 OR [_] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ____________ to ____________ Commission file number 000-19392 DIANON SYSTEMS, INC. (exact name of registrant as specified in its charter) Delaware 06-1128081 (State of incorporation) (IRS Employer Identification No.) 200 Watson Blvd, Stratford, CT 06615 (Address of principal executive offices) (zip code) Registrant's telephone number, including area code: (203) 381-4000 NOT APPLICABLE (Former name, former address and former fiscal year, if changed since last report) Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days. Yes [X] No [_] The number of shares of registrant's Common Stock, $.01 par value, outstanding on July 24, 2002 was 12,338,059 shares. DIANON SYSTEMS, INC. AND SUBSIDIARIES INDEX Part I FINANCIAL INFORMATION PAGE NO. -------- Item 1. FINANCIAL STATEMENTS Consolidated Balance Sheets as of June 30, 2002 and December 31, 2001. 3 Consolidated Statements of Operations for the three month and six month periods ended June 30, 2002 and 2001. 4 Consolidated Statements of Stockholders' Equity for the six months ended June 30, 2002 and 2001. 5 Consolidated Statements of Cash Flows for the six months ended June 30, 2002 and 2001. 6 Notes to Consolidated Financial Statements. 7-10 Item 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS 11-17 Item 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK 18 Part II OTHER INFORMATION Item 6. EXHIBITS AND REPORTS ON FORM 8-K 19 Signatures 20 2 DIANON SYSTEMS, INC. CONSOLIDATED BALANCE SHEETS JUNE 30, DECEMBER 31, 2002 2001 ------------- ------------- ASSETS (UNAUDITED) CURRENT ASSETS: Cash and cash equivalents $ 20,614,850 $ 41,229,353 Available-for-sale securities 43,726,339 1,071,778 Accounts receivable, net of allowances 34,281,347 29,863,129 Prepaid expenses and other current assets 3,291,334 3,767,086 Prepaid / refundable income taxes 6,568,938 5,753,944 Inventory 2,283,044 1,932,713 Deferred income taxes 6,203,010 6,560,564 ------------- ------------- Total current assets 116,968,862 90,178,567 ------------- ------------- PROPERTY AND EQUIPMENT, at cost Laboratory and office equipment 21,380,858 19,539,228 Leasehold improvements 9,151,842 8,967,113 Less - accumulated depreciation and amortization (19,549,397) (17,650,512) ------------- ------------- 10,983,303 10,855,829 ------------- ------------- INTANGIBLE ASSETS, net of accumulated amortization of $4,554,501 and $3,662,150, respectively 182,965,666 183,167,116 DEFERRED INCOME TAXES -- 2,429,417 OTHER ASSETS 713,504 787,230 ------------- ------------- TOTAL ASSETS $ 311,631,335 $ 287,418,159 ============= ============= LIABILITIES AND STOCKHOLDERS' EQUITY CURRENT LIABILITIES: Accounts payable $ 1,838,257 $ 1,621,689 Accrued employee compensation 5,194,993 6,961,747 Current portion of capitalized lease obligations 104,913 300,102 Other accrued expenses 12,008,333 12,459,309 ------------- ------------- Total current liabilities 19,146,496 21,342,847 ------------- ------------- LONG-TERM LIABILITIES: Deferred income taxes 1,168,729 -- Long-term portion of capitalized lease obligations 219,039 439,029 ------------- ------------- Total Liabilities 20,534,264 21,781,876 ------------- ------------- STOCKHOLDERS' EQUITY: Common stock, par value $.01 per share, 20,000,000 shares authorized, 12,340,029 and 11,896,140 shares issued and outstanding at June 30, 2002 and December 31, 2001, respectively 123,400 118,961 Additional paid-in capital 256,313,144 242,987,849 Retained earnings 34,391,280 22,620,561 Common stock held in treasury, at cost - 7,502 and 9,511 shares at June 30, 2002 and December 31, 2001, respectively (71,847) (91,088) Accumulated other comprehensive income 341,094 -- ------------- ------------- Total stockholders' equity 291,097,071 265,636,283 ------------- ------------- TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY $ 311,631,335 $ 287,418,159 ============= ============= The accompanying notes to consolidated financial statements are an integral part of these balance sheets. 3 DIANON SYSTEMS, INC. CONSOLIDATED STATEMENTS OF OPERATIONS FOR THE THREE MONTH AND SIX MONTH PERIODS ENDED JUNE 30, 2002 and 2001 (UNAUDITED)

~~SEPTEMBER~~THREE ~~30,~~MONTHS ~~DECEMBER~~ENDED ~~31,~~SIX ~~2001~~MONTHS ~~2000~~ENDED ~~------------------~~JUNE ~~---------------- ASSETS (UNAUDITED) CURRENT ASSETS: Cash and cash equivalents $ 23~~30,~~180,804~~ $JUNE 1230,~~515,424~~ ~~Accounts~~2002 ~~receivable,~~2001 ~~net~~2002 of2001 ~~allowances 20,978,736 21,413,404 Prepaid expenses and employee advances 1,506,650 1,035,953 Refundable income taxes~~ -- ~~2,245,894 Inventory 1,435,545 1,417,247 Deferred income tax asset 887,593 774,150~~ ----------~~--------~~ -----------~~-----~~ ~~Total current assets 47,989,328 39,402,072~~ ------------~~------~~ -----------~~-----~~ ~~PROPERTY~~Net ~~AND~~revenues ~~EQUIPMENT,~~$ ~~at cost Laboratory and office equipment 15~~49,~~876~~257,~~575~~121 14$28,~~930~~762,~~672~~405 ~~Leasehold~~$ ~~improvements 5~~93,~~753~~880,~~530~~496 5$55,~~327~~565,~~052~~012 ~~Less~~Cost -of ~~accumulated~~sales ~~depreciation~~24,574,729 ~~and~~15,841,271 ~~amortization (16~~46,~~809~~872,~~847)~~878 ~~(14~~30,~~644~~836,~~420)~~069 ------------~~------~~ -----------~~-----~~ ~~4,820,258 5,613,304~~ ------------~~------~~ -----------~~-----~~ ~~INTANGIBLE~~GROSS ~~ASSETS,~~PROFIT ~~net of accumulated amortization of $5~~24,~~664~~682,~~129~~392 ~~and $4~~12,~~648~~921,~~029,~~134 ~~respectively 13~~47,~~212~~007,~~176~~618 1424,~~228~~728,~~274~~943 ~~DEFERRED~~Selling, ~~INCOME~~general ~~TAX~~and ~~ASSET~~administrative ~~1,852,393~~expenses 114,~~783~~184,~~632~~362 ~~OTHER ASSETS 703~~8,~~220 725~~363,~~720~~286 ~~------------------ ---------------- TOTAL ASSETS $68~~26,~~577~~912,~~375~~828 ~~$61~~16,~~753~~233,~~002~~123 ~~==================~~Special ~~================~~credit ~~LIABILITIES~~for ~~AND~~bad ~~STOCKHOLDERS'~~debts ~~EQUITY~~(710,957) ~~CURRENT~~-- ~~LIABILITIES:~~(710,957) ~~Accounts~~-- ~~payable~~Amortization $of ~~1,360,743~~intangible $assets ~~977~~425,~~817~~412 ~~Accrued~~422,031 ~~employee compensation 2~~892,~~320,164~~351 1677,~~909,767~~399 ~~Current~~Research ~~portion~~and ofdevelopment ~~capitalized~~expenses ~~lease~~326,576 ~~obligations -- 31~~315,~~811~~943 ~~Other accrued expenses 4~~767,~~521,753~~216 3667,~~857,370~~532 ------------~~------~~ -----------~~-----~~ ~~Total current liabilities 8,202,660 6,776,765~~ ------------~~------~~ -----------~~-----~~ ~~LONG-TERM~~INCOME ~~LIABILITIES:~~FROM ~~Long-term~~OPERATIONS ~~note~~10,456,999 ~~payable~~3,819,874 -19,146,180 27,~~500~~150,~~000~~889 ~~Long-term~~Interest ~~deferred~~income, ~~tax~~net ~~liability~~443,608 ~~149~~158,~~561~~666 ~~202~~636,~~072~~541 ~~Long-term portion of capitalized lease obligations - 15~~272,~~427~~800 ------------~~------~~ -----------~~-----~~ ~~Total Liabilities 8,352,221 9,494,264~~ ------------~~------~~ -----------~~-----~~ ~~STOCKHOLDERS'~~INCOME ~~EQUITY:~~BEFORE ~~Common~~PROVISION ~~stock,~~FOR ~~par~~INCOME ~~value~~TAXES ~~$.01 per share~~10,900,607 203,~~000~~978,~~000~~540 ~~shares authorized~~19, 7782,~~456,408~~721 ~~and~~ 7,~~397~~423,~~323~~689 ~~shares~~Provision ~~issued~~for ~~and~~income ~~outstanding~~taxes ~~at September 30~~4, ~~2001 and December 31~~414,746 ~~2000~~1, ~~respectively 74~~611,~~564~~309 738,~~974 Additional paid-in capital 37~~012,~~095,181~~002 353,~~877~~006,~~828~~594 ~~Retained earnings 23,152,310 16,427,788 Common stock held in treasury, at cost~~ - ~~10,119 and 12,620 shares at September 30, 2001 and December 31, 2000, respectively (96,901) (120,852)~~ -----------~~-------~~ -----------~~-----~~ ~~Total stockholders' equity 60,225,154 52,258,738~~ ------------~~------~~ -----------~~-----~~ ~~TOTAL~~NET ~~LIABILITIES~~INCOME ~~AND~~$ ~~STOCKHOLDERS'~~6,485,861 ~~EQUITY~~$ 2,367,231 $68 11,~~577~~770,~~375~~719 $61 4,~~753~~417,~~002~~095 ============ =========== ============ =========== ~~The~~EARNINGS ~~accompanying~~PER ~~notes~~SHARE toBASIC ~~consolidated~~$ ~~financial~~.53 ~~statements~~$ ~~are~~.32 an$ ~~integral~~.97 ~~part~~$ of.60 ~~these~~DILUTED ~~balance~~$ ~~sheets~~.50 $ .29 $ .91 $ .55 WEIGHTED AVERAGE SHARES OUTSTANDING BASIC 12,247,154 7,418,827 12,114,307 7,403,437 DILUTED 12,937,998 8,041,804 12,876,107 8,024,641

The accompanying notes to consolidated financial statements are an integral part of these statements. 4 DIANON SYSTEMS, INC. CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY FOR THE SIX MONTHS ENDED JUNE 30, 2002 AND 2001 (UNAUDITED)

~~DIANON~~Accumulated ~~SYSTEMS,~~Common ~~INC.~~Stock ~~INCOME~~Additional ~~STATEMENTS~~Other ~~FOR~~---------------------- ~~THE~~Paid-In ~~THREE~~Comprehensive ~~MONTH~~Total ~~AND~~Shares ~~NINE~~Amount ~~MONTH~~Capital ~~PERIODS~~Income ~~ENDED SEPTEMBER 30, 2001 and 2000 (UNAUDITED) THREE MONTHS ENDED NINE MONTHS ENDED SEPTEMBER 30, SEPTEMBER 30, 2001 2000 2001 2000~~ ------------ --- ------- --------- ------------~~----~~ --------------- ~~Net~~BALANCE, ~~revenues~~December 31, 2000 $28 52,~~940~~258,~~906~~738 ~~$23~~7,~~593~~397,~~617~~323 $84 73,~~505,918~~974 $70 35,~~098~~877,~~697~~828 ~~Cost~~$ of-- ~~goods~~Net 16income 4,~~095~~417,~~217~~095 13-- -- -- -- Unrealized gain on securities -- -- -- -- -- Comprehensive income -- -- -- -- -- Stock options exercised 318,~~343,607~~345 4642,~~931,286~~815 39428 317,~~923,279~~917 -- Tax effect for stock options exercised 469,721 -- -- 469,721 -- Employee stock purchase plan / other 78,046 -- -- 59,506 --- Stock grants 19,782 580 6 19,776 -- ------------ -- -------- -------- ------------ -------- ~~GROSS~~BALANCE, ~~PROFIT~~June 1230,~~845,689~~ 102001 $ 57,~~250~~561,~~010~~727 377,~~574~~440,~~632~~718 30$ 74,~~175~~408 $ 36,~~418~~744,748 ~~Selling~~$ -- ============ ========== ======== ============ ======== BALANCE, ~~general~~December ~~and~~31, ~~administrative~~2001 ~~expenses~~$265,636,283 811,~~526~~896,~~412~~140 6$118,~~964~~961 $242,~~845~~987,849 24$ -- Net income 11,~~759~~770,~~535~~719 21-- -- -- -- Unrealized gain on securities 341,~~395~~094 -- -- -- 341,~~254~~094 ~~Amortization~~Comprehensive ofincome ~~intangible~~-- ~~assets~~-- ~~338~~-- -- -- Stock options exercised 5,~~701~~671,205 ~~181~~446,955 4,470 15,~~016~~666,~~100~~735 ~~582,125~~-- ~~Research~~Return ~~and~~of ~~development~~stock ~~expenses~~held ~~286~~in escrow (113,~~899~~825) ~~223~~(3,~~173~~066) ~~954~~(31) (113,~~431~~794) ~~666~~-- Tax effect for stock options exercised 7,~~010~~693,147 -- -- 7,693,147 -- Employee stock purchase plan / other 98,448 -- -- 79,207 -- --- --------- ------- --- -------- ----- ------- -------- ~~INCOME~~BALANCE, ~~FROM~~June ~~OPERATIONS~~30, 32002 $291,~~693~~097,~~677~~071 212,~~880~~340,~~522~~029 10$123,~~844,566~~400 7$256,~~532~~313,~~029~~144 ~~Interest income~~$341,094 ~~net~~============ ~~184,352~~========== ~~116,043~~======== ~~457,152~~============ ~~230,669~~======== Common Stock Acquired for Treasury Retained --------------- ------ Comprehensive Earnings Shares Amount Income ----------- ------- --------- --------------- ~~INCOME~~BALANCE, ~~BEFORE~~December ~~PROVISION~~31, ~~FOR~~2000 ~~INCOME TAXES 3~~$16,~~878~~427,~~029~~788 2(12,~~996~~620) $(120,~~565~~852) 11Net income 4,~~301~~417,~~718~~095 7-- -- $ 4,~~762~~417,~~698~~095 ~~Provision~~Unrealized ~~for~~gain ~~income~~on ~~taxes~~securities ~~1,570,602~~-- ~~1,213,609~~-- ~~4,577,196~~-- ~~3,143,893~~-- ------------- Comprehensive income -- -- -- $ 4,417,095 ============= Stock options exercised -- -- -- Tax effect for stock options exercised -- -- -- Employee stock purchase plan / other -- 1,936 18,540 Stock grants -- -- -- ----------- ------- --------- ~~NET~~BALANCE, ~~INCOME~~June ~~$ 2~~30,~~307,427~~ $2001 1$20,~~782~~844,~~956~~883 ~~$ 6~~(10,~~724,522~~684) $ 4(102,~~618,805~~312) ===========~~====~~ =======~~=========~~ =========~~=======~~ BALANCE, December 31, 2001 $22,620,561 (9,511) $ (91,088) Net income 11,770,719 -- -- $ 11,770,719 Unrealized gain on securities -- -- -- 341,094 ------------- Comprehensive income -- -- -- $ 12,111,813 =============== ~~EARNINGS~~Stock ~~PER~~options ~~SHARE~~exercised ~~BASIC~~-- ~~$.31~~-- ~~$.25~~-- ~~$.91~~Return ~~$.65~~of ~~DILUTED~~stock ~~$.28~~held ~~$.22~~in ~~$.83~~escrow ~~$.59~~-- ~~WEIGHTED~~-- ~~AVERAGE~~-- ~~SHARES~~Tax ~~OUTSTANDING~~effect ~~BASIC~~for ~~7,437,078~~stock ~~7,189,820~~options ~~7,414,584~~exercised ~~7,110,576~~-- ~~DILUTED~~-- ~~8,150,277~~-- ~~7,952,156~~Employee 8stock purchase plan / other -- 2,~~059,785~~009 719,~~784,103~~241 ~~The~~----------- ~~accompanying~~------- ~~notes~~--------- toBALANCE, ~~consolidated~~June ~~financial~~30, ~~statements~~2002 ~~are~~$34,391,280 an(7,502) ~~integral~~$ ~~part~~(71,847) of=========== ~~these~~======= ~~balance sheets.~~=========

The accompanying notes to consolidated financial statements are an integral part of these statements. 5 DIANON SYSTEMS, INC. CONSOLIDATED STATEMENTS OF CASH FLOWS FOR THE SIX MONTHS ENDED JUNE 30, 2002 AND 2001 (UNAUDITED) JUNE 30, 2002 2001 ------------ ------------ CASH FLOWS FROM OPERATING ACTIVITIES: Net income $ 11,770,719 $ 4,417,095 Adjustments to reconcile net income to net cash provided by operations - Non-cash charges Depreciation and amortization 2,805,801 2,354,476 Special credit for bad debts (710,957) -- Tax effect of stock options exercised 7,693,147 469,721 Deferred tax provision 3,723,527 -- Stock compensation expense -- 19,782 Bond premium amortization 72,427 -- Loss (gain) on disposal of fixed assets 34,592 (600) Changes in other current assets and liabilities Accounts receivable (3,707,261) (66,205) Prepaid / refundable income taxes (814,994) 1,710,857 Prepaid expenses and other current assets 475,752 (308,360) Inventory (350,331) (159,093) Other assets and other (124,465) 6,479 Accounts payable and other accrued liabilities (2,001,162) 710,535 ------------ ------------ Net cash provided by operating activities 18,866,795 9,154,687 ------------ ------------ CASH FLOWS FROM INVESTING ACTIVITIES: Capital expenditures (2,084,017) (1,105,292) Purchases of available-for-sale securities (42,719,094) -- Redemption of available-for-sale securities 1,073,564 -- Investment and acquisition of marketing rights (1,000,000) -- Acquisition of UroCor, Inc. (114,725) -- Proceeds from the sale of fixed assets 8,500 600 ------------ ------------ Net cash used in investing activities (44,835,772) (1,104,692) ------------ ------------ CASH FLOWS FROM FINANCING ACTIVITIES: Repayments of note payable -- (2,500,000) Employee stock purchase plan / other 98,448 78,046 Exercise of stock options 5,671,205 318,345 Net repayments of capitalized lease obligations (415,179) (2,556) ------------ ------------ Net cash provided by (used in) financing activities 5,354,474 (2,106,165) ------------ ------------ Net (decrease) increase in cash and cash equivalents (20,614,503) 5,943,830 CASH AND CASH EQUIVALENTS, beginning of period 41,229,353 12,515,424 ------------ ------------ CASH AND CASH EQUIVALENTS, end of period $ 20,614,850 $ 18,459,254 ============ ============ SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION: Cash paid during the period: Interest $ 11,871 $ 54,631 Income Taxes Paid, Net of Refunds 185,819 1,018,350 The accompanying notes to consolidated financial statements are an integral part of these statements. 6 DIANON SYSTEMS, INC. NOTES TO CONSOLIDATED FINANCIAL STATEMENTS 1. The Company - The consolidated financial statements as of and for the three months and six months ended June 30, 2002 and 2001 have been prepared by DIANON Systems, Inc. ("Dianon" or the "Company") without audit. In the opinion of management, all adjustments necessary to present fairly the financial position, results of operations and cash flows for such periods have been made, and the interim accounting policies followed are in conformity with generally accepted accounting principles and are consistent with those applied for annual periods as described in Dianon's annual report for the year ended December 31, 2001, previously filed on Form 10-K and 10-K/A with the Securities and Exchange Commission (the "Annual Report"). Certain information and note disclosures normally included in financial statements prepared in accordance with generally accepted accounting principles have been omitted. It is suggested that these consolidated financial statements be read in conjunction with the financial statements included in Dianon's Annual Report for the year ended December 31, 2001. The results of operations for the three months and six months ended June 30, 2002 and 2001 are not necessarily indicative of the operating results for the full years. Acquisitions - In the second quarter of 2002, the Company received 3,066 shares of its stock from the escrow account established by the Escrow Agreement dated October 2, 2000 related to the acquisition in October 2000 of John H. Altshuler, M.D., P.C., a pathology practice located in Englewood, Colorado. The Company also accelerated the amortization of the customer list by approximately $205,000, in the second quarter of 2002, to reflect the remaining useful life. In the second quarter of 2002, relating to the acquisition in November 2001 of UroCor, Inc. ("UroCor"), an anatomic pathology laboratory located in Oklahoma City, Oklahoma, the Company reversed approximately $711,000 of allowance for bad debts, as this was the portion of the $5.5 million special bad debt provision that the Company recorded in the fourth quarter of 2001 that was determined to be no longer required. Pro forma historical results (unaudited) for the three month and six month periods ended June 30, 2001, adjusted as if UroCor had been acquired on January 1, 2001 approximates $44.6 million and $86.8 million in revenue, respectively, $3.0 million and $9.1 million in net income, respectively, and $0.25 and $0.75 in diluted earnings per share, respectively. The $9.1 million pro forma net income for the six months ended June 30, 2001, stated above, includes a one-time, special credit for bad debts of $4.6 million (or $0.38 diluted earnings per share) recorded by UroCor. The pro forma results are not necessarily indicative of what actually would have occurred if the acquisition had been completed as of January 1, 2001, nor are they necessarily indicative of future results. In the first quarter of 2002, the Company paid MDdatacor, Inc. ("MDdatacor") $1.0 million for exclusive marketing rights for a medical records search tool for urology and gastroenterology physician practice group customers and a 13.7% interest in MDdatacor. The Company allocated the total investment to the marketing rights ($750,000) and equity ($250,000) based on management's estimates of fair value. 7 2. Recent Accounting Pronouncements - In June 2001, the Financial Accounting Standards Board issued Statement of Financial Accounting Standards ("SFAS") No. 141, "Business Combinations" and Statement of Financial Accounting Standards No. 142, "Goodwill and Other Intangible Assets." Statement No. 141 requires that all business combinations initiated after June 30, 2001 be accounted for using the purchase method, thus eliminating the use of the pooling-of-interests accounting for business combinations. Statement No. 142 changes the accounting for goodwill from an amortization method to an impairment-only approach, whereby goodwill amortization was no longer required after December 31, 2001. The Statement requires an annual assessment of goodwill for impairment and more frequent assessments if circumstances indicate a possible impairment. In the second quarter of 2002, the Company completed the initial test for impairment and determined that no goodwill impairment had occurred. The following table provides a reconciliation for the prior year's reported net income to adjusted net income had SFAS No. 142 been applied as of the beginning of fiscal 2001 for the three month and six month periods ended June 30, 2001.

~~DIANON~~For ~~SYSTEMS,~~the ~~INC.~~three ~~STATEMENTS~~months OFended ~~STOCKHOLDERS'~~For ~~EQUITY~~the ~~FOR~~six ~~THE~~months ~~NINE~~ended ~~MONTHS~~June ~~ENDED SEPTEMBER~~ 30, 2001 ~~AND~~June ~~2000~~30, ~~(UNAUDITED)~~2001 ~~Additional Common Stock Common Stock Paid~~-~~In Retained Acquired for Treasury Shares Amount Capital Earnings Shares Amount~~ ------------------------- --------~~--------~~ -------------- --------------------~~---------~~ ~~BALANCE,~~BASIC ~~December~~DILUTED ~~31,~~BASIC ~~1999~~DILUTED ~~7,060,749~~Income ~~$70,608 $29,428,647 $9,828,769 (58,734) ($562,462) Stock options exercised 233,524 2,335 1,570,875~~ -- -- -- ~~Employee stock purchase plan~~ -- -- ~~(22,325)~~ -- ~~8,709 83,401 Stock grants 1,605 16 29,788~~ -- -- --Income ~~Net income~~ -- -- -- ~~4,618,805~~ -- -- ------~~-------~~ ~~-----------~~available ~~----------------~~to ~~--------------~~Earnings ~~-------------~~Earnings ~~---------------~~available ~~BALANCE,~~to ~~September~~Earnings ~~30,~~Earnings ~~2000~~common ~~7,295,878~~per ~~$72,959~~per ~~$31,006,985~~common ~~$14,447,574~~per ~~(50,025)~~per ~~($479,061)~~stockholders ~~=============~~share ~~===========~~share ~~================~~stockholders ~~==============~~share ~~=============~~share ~~=============== BALANCE, December 31, 2000 7,397,323 $73,974 $35,877,828 $16,427,788 (12,620) ($120,852) Stock options exercised 58,235 582 438,983~~ -- -- -- ~~Tax effect for stock options~~ -- -- ~~670,921~~ -- -- -- ~~exercised Employee stock purchase plan /~~ -- -- ~~75,795~~ -- ~~23,951 other 2,501 Stock grants 850 8 31,654~~ -- -- -- ~~Net income~~ -- -- -- ~~6,724,522~~ -- -- --~~-----------~~ --------~~---~~ --------~~--------~~ ~~--------------~~Reported ~~-------------~~net ~~---------------~~income ~~BALANCE,~~attributed ~~September~~to ~~30,~~DIANON ~~2001~~common ~~7,456,408~~stock $742,~~564~~367,231 $~~37,095,181~~0.319 $~~23,152,310~~0.294 ~~(10,119) (~~$964,~~901) ============= =========== ================ ============== ============= =============== DIANON SYSTEMS~~417,095 ~~INC~~$0.597 ~~STATEMENTS OF STOCKHOLDERS' EQUITY FOR THE NINE MONTHS ENDED SEPTEMBER 30, 2001 AND 2000 (UNAUDITED) Total ------------- BALANCE, December 31, 1999~~ $~~38,765,562~~0.550 ~~Stock~~Add ~~options~~back ~~exercised~~amortization ~~1,573,210~~of ~~Employee stock purchase plan 61~~goodwill,~~076~~ ~~Stock~~net ~~grants~~of ~~29,804 Net~~ income ~~4,618,805~~tax ~~------------- BALANCE~~$27,702 ~~September~~$0.004 ~~30,~~$0.003 ~~2000~~ $4555,~~048,457~~404 ~~=============~~$0.007 ~~BALANCE, December 31, 2000 Stock options exercised~~ $~~52,258,738~~0.007 ~~Tax~~Adjusted ~~effect~~net ~~for~~income ~~stock~~attributed ~~options~~to ~~439,565~~DIANON ~~exercised~~common ~~670,921 Employee~~ stock ~~purchase plan / other 99~~$2,~~746 Stock grants Net income 31~~394,~~662~~933 ~~6,724,522~~$0.323 ~~BALANCE,~~$0.297 ~~September 30, 2001 -------------~~ $604,~~225~~472,~~154~~499 ~~=============~~$0.604 ~~The accompanying notes to consolidated financial statements are an integral part of these balance sheets~~$0.557

In August 2001, the Financial Accounting Standards Board issued Statement of Financial Accounting Standards No. 143, "Accounting for Asset Retirement Obligations," which is effective in 2003. It requires the recording of an asset equal to the present value of the estimated costs associated with the retirement of long-lived assets where a legal or contractual obligation exists. The asset is required to be depreciated over the life of the related equipment or facility, and the liability accreted each year based on a present value interest rate. The Company does not believe that the adoption of Statement No. 143 will have a material impact on its financial position. In October 2001, the Financial Accounting Standards Board issued Statement of Financial Accounting Standards No. 144, "Accounting for the Impairment or Disposal of Long-Lived Assets." Statement No. 144 supersedes Accounting Standards No. 121, "Accounting for the Impairment of Long-Lived Assets and for Long-Lived Assets to be Disposed of." It establishes a single accounting model for the impairment of long-lived assets to be held and used or to be disposed of by sale or abandonment and broadens the definition of discontinued operations. The provisions of this Statement are effective for financial statements issued for fiscal years beginning after December 15, 2001. The adoption of Statement No. 144 did not have a material impact on the Company's financial position. In June 2002, the Financial Accounting Standards Board issued Statement of Financial Accounting Standards No. 146, "Accounting for Costs Associated with Exit or Disposal Activities." Statement No. 146 nullifies Emerging Issues Task Force (EITF) Issue No. 94-3, "Liability Recognition for Certain Employee Termination Benefits and Other Costs to Exit an Activity (including Certain Costs Incurred in a Restructuring)." This Statement requires that a liability for a cost associated with an exit or disposal activity be recognized when the liability is incurred. The provisions of this Statement are effective for exit or disposal activities that are initiated after December 31, 2002, with early application encouraged. The 8 Company does not believe that the adoption of Statement No. 146 will have a material impact on its financial position. 3. Earnings per share - Basic earnings per share have been computed based on the weighted average number of common shares outstanding during each period. Diluted earnings per share have been computed based on the weighted average number of common shares and common equivalent shares outstanding during each period. Common equivalent shares outstanding include the common equivalent shares calculated for warrants and stock options under the treasury stock method. Below is a reconciliation of the numerators and denominators of the basic and diluted earnings per share computations for the three month and six month periods ended June 30, for both 2002 and 2001.

~~DIANON~~Three ~~SYSTEMS,~~months ~~INC.~~ended ~~STATEMENTS~~Six OFmonths ~~CASH~~ended ~~FLOWS~~June ~~FOR~~30, ~~THE~~June ~~NINE MONTHS ENDED SEPTEMBER~~ 30, 2002 2001 ~~AND~~2002 ~~2000 (UNAUDITED) SEPTEMBER~~ 2001 ~~2000~~ ---------- ------ ---- ----------- ~~CASH FLOWS FROM OPERATING ACTIVITIES: Net income $ 6,724,522 $ 4,618,805 Adjustments to reconcile net income to net cash provided by operations~~ - ~~Non~~-~~cash charges Depreciation and amortization 3,354,747 2,930,522 Provision for bad debts~~ -- ~~380,500 Tax effect of stock options exercised 670,921~~ -- ~~Stock compensation expense 31,662 29,804 Gain on disposal of fixed assets (24,077)~~ -- ~~Changes in other current assets and liabilities Decrease (increase) in accounts receivable 434,668 (2,505,645) Decrease in refundable income taxes 2,245,894~~ -- ~~(Increase)~~BASIC ~~decrease~~EARNING inPER ~~prepaid~~SHARE: ~~expenses~~Weighted-average ~~and~~number ~~employee~~of ~~advances~~common ~~(470,697)~~shares ~~174,239~~outstanding ~~Increase in inventory (18~~12,~~298) (432~~247,~~094)~~154 ~~Increase in other assets (159~~7,~~704) (106~~418,~~849)~~827 ~~Increase in accounts payable and accrued liabilities 1~~12,~~405~~114,~~195~~307 ~~560~~7,~~888 5 -------------- ------------- Net cash provided by operating activities 14~~403,~~194,833~~437 ~~5,650,170~~DILUTIVE ~~--------------~~EFFECT ~~------------- CASH FLOWS FROM INVESTING ACTIVITIES~~OF: ~~Capital~~Stock ~~expenditures~~options (1690,~~575~~844 622,~~284)~~977 (2761,~~736,652)~~800 ~~Proceeds from the sale of fixed assets 53~~621,~~758~~204 -- --------~~------~~ ----------~~---~~ ~~Net cash used in investing activities (1,521,526) (2,736,652)~~ -----------~~---~~ ----------~~---~~ ~~CASH~~DILUTED ~~FLOWS~~EARNINGS ~~FROM~~PER ~~FINANCING ACTIVITIES~~SHARE: ~~Repayments~~Weighted-average number of ~~note~~common ~~payable~~shares ~~(2,500,000)~~outstanding (212,~~000~~937,~~000)~~998 ~~Employee stock purchase plan / other 99~~8,~~746 61~~041,~~076~~804 ~~Stock options exercised 439~~12,~~565 1~~876,~~573,210~~107 ~~Repayments of capitalized lease obligations (47~~8,~~238) (23~~024,~~545)~~641 ~~--------------~~========== ~~-------------~~========== ~~Net~~=========== ~~cash~~========== ~~used~~NET inINCOME ~~financing activities (2~~$6,~~007~~485,~~927)~~861 ~~(389,259) -------------- ------------- Net increase in cash and cash equivalents 10,665,380~~ $2,~~524~~367,~~259~~231 ~~CASH AND CASH EQUIVALENTS, beginning of period 12,515,424 9,761,047 ------------- -------------- CASH AND CASH EQUIVALENTS, end of period~~ $2311,~~180~~770,~~804~~719 $124,~~285~~417,~~306~~095 ========== ========== =========== ========== ~~SUPPLEMENTAL~~BASIC ~~DISCLOSURES~~EARNINGS OFPER ~~CASH~~SHARE ~~FLOW~~$0.53 ~~INFORMATION:~~$0.32 ~~Cash paid during the period: Interest~~ $0.97 ~~62,758~~ $0.60 ~~292,919~~========== ~~Income~~========== ~~Taxes~~=========== ~~2,160,696~~========== ~~3,363,893~~DILUTED ~~The~~EARNINGS ~~accompanying~~PER ~~notes~~SHARE to$0.50 ~~consolidated~~$0.29 ~~financial~~$0.91 ~~statements~~$0.55 ~~are~~========== an========== ~~integral~~=========== ~~part of these statements.~~==========

For the six months ended June 30, 2002, outstanding options to purchase 17,500 shares of common stock, at prices ranging from $62.08 to $63.59 per share, were not included in the computation of diluted earnings per share because the exercise price of the options was greater than the average market price of common shares. For the six months ended June 30, 2001, outstanding options to purchase 345,015 shares of common stock, at prices ranging from $35.75 to $40.06 per share, were not included in the computation of diluted earnings per share because the exercise price of the options was greater than the average market price of common shares. 9 4. Investment Securities - As of June 30, 2002, the Company had investment securities of $43.7 million. The portfolio consisted primarily of U.S. Government Agency Bullet Securities with maturities of less than three years. The Company has evaluated its investment policies consistent with SFAS No. 115, "Accounting for Certain Investments in Debt and Equity Securities," and determined that all of its investment securities are to be classified as available-for-sale. Available-for-sale securities are carried at fair value, with the unrealized gains and losses reported in Stockholders' Equity under the caption "Accumulated Other Comprehensive Income." The Company views its available-for-sales securities as available to support its current operations and to fund the Company's stock repurchase program and accordingly classifies them as current assets on the balance sheet. The amortized cost of debt securities is adjusted for amortization of premiums and accretion of discounts to maturity. Such amortization is included in interest income. The cost of securities sold is based on the specific identification method. Interest on available-for-sale securities is included in interest income. The following is a summary of investment securities classified as "available-for-sale" securities as required by SFAS 115 as of June 30, 2002 and December 31, 2001: June 30, December 31, 2002 2001 ----------- ------------ Debt investments: Cost $43,225,499 $1,071,778 Gross unrealized gains 500,840 -- ----------- ---------- Estimated fair value $43,726,339 $1,071,778 =========== ========== 5. Legal Proceedings - The Company is involved in certain legal matters including professional liability claims which periodically arise in the normal course of business. Management believes that the outcome of these legal matters will not have a material adverse effect on the financial position and results of operations of the Company. Furthermore, management believes the Company maintains adequate insurance coverage or has established adequate reserves for known contingencies. The Company received a subpoena dated November 16, 2000, issued by the United States Attorney's Office for Connecticut, requesting the production of a variety of documents, with a particular focus on documents relating to billing for tumor biomarkers, DNA testing and screening tests. The Company is cooperating with the Department of Justice representatives handling this matter and has substantially completed its production of documents under the subpoena. As part of the purchase of UroCor, the Company assumed responsibility and liability for certain pre-acquisition contingencies which include expenses relating to the previously announced UroCor Department of Justice ("DOJ") investigation, including without limitation, compliance with the UroCor corporate integrity agreement and any potential indemnification of legal and other fees and costs for current and past directors, officers and employees of UroCor in connection with the criminal investigation related to the UroCor settlement. The Company currently estimates the probable indemnification expenses to be $1.0 million, but there is no assurance that this amount will not increase significantly. 10 MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS THREE MONTHS AND SIX MONTHS ENDED JUNE 30, 2002 AND 2001 (UNAUDITED) The descriptive analysis contained herein compares the financial results of the three months and six months ended June 30, 2002 ("Second Quarter-2002" and "Six Months-2002", respectively) to the three months and six months ended June 30, 2001 ("Second Quarter-2001" and "Six Months-2001", respectively). RESULTS OF OPERATIONS o NET REVENUES Net revenues increased 71% to $49.3 million in the Second Quarter-2002 from $28.8 million in the Second Quarter-2001, and 69% to $93.9 million in the Six Months-2002 from $55.6 million in the Six Months-2001. This increase reflects the acquisition of UroCor as well as the effects of strong volume gains in pathology and genetics testing and a favorable reimbursement climate for some of the Company's most commonly performed tests. The Oklahoma facility (formerly UroCor) represents approximately $11.9 million in revenues in the Second Quarter-2002 and $23.4 million in revenues in the Six Months-2002. Anatomic pathology services involve the preparation and pathologic interpretation of tissue from biopsy specimens for the diagnosis of cancer and other significant diseases. Anatomic pathology net revenues increased to $34.3 million in the Second Quarter-2002 from $19.8 million in the Second Quarter-2001, representing a 74% increase, and increased to $65.9 million in the Six Months-2002 from $38.3 million in the Six Months-2001, representing a 72% increase. The revenue growth reflects the UroCor acquisition as well as increased market penetration in the anatomic pathology area. Genetics services consists primarily of cytogenetics, fluorescent in situ hybridization, and molecular analysis primarily for leukemias, lymphomas, infectious disease and inherited disorders. Genetics net revenues increased to $6.3 million in the Second Quarter-2002 from $4.9 million in the Second Quarter-2001, representing a 27% increase, and increased to $11.7 million in the Six Months-2002 from $9.4 million in the Six Months-2001, representing a 25% increase. The revenue growth reflects increased market penetration. Clinical chemistry testing consists of tumor markers, cultures, specialized urine testing and routine tests for general health conditions. Clinical chemistry net revenues increased to $8.7 million in the Second Quarter-2002 from $4.1 million in the Second Quarter-2001, representing a 114% increase, and increased to $16.3 million in the Six Months-2002 from $7.9 million in the Six Months-2001, representing a 106% increase. This increase is primarily related to the UroCor acquisition. The clinical laboratory industry, which includes both clinical chemistry and anatomic pathology, has seen steady and continuing downward pressure on prices exerted by both government and private third-party payers. Payment for services such as those provided by Dianon is and will likely continue to be affected by periodic reevaluations made by payers concerning the level of reimbursement for services provided by Dianon. Over time, Congress has reduced the national cap on Medicare laboratory fee schedules (under which Dianon's clinical chemistry services are reimbursed) to 74% of the national median. In addition, the Balanced Budget Act of 1997 ("BBA") freezes fee schedule payments (i.e., no increases or decreases) for the 1998-2002 period. The clinical laboratory industry has also recently experienced increases in the payment rate for certain tests, including some of those performed by the Company. Beginning in 1998, Medicare began covering screening pap smears for certain Medicare beneficiaries, and the Balanced Budget Refinement Act of 1999 ("BBRA") required the Secretary of the Department of Health and Human Services to establish a national minimum payment amount equal to $14.60 for diagnostic or screening pap smear laboratory tests furnished on or after January 1, 2000. Previously, the national payment cap for a pap smear was approximately $7.15. The BBRA also encouraged the Centers for 11 Medicare and Medicaid Services ("CMS") (formerly known as the Health Care Financing Administration or "HCFA") to institute an appropriate increase in the payment rate for new cervical cancer screening technologies, such as the technologies used by Dianon, that have been approved by the FDA as significantly more effective than a conventional pap smear. In March 2001, CMS established a national limit of $28 for the new pap smear technologies used by Dianon, which is nearly twice the level of reimbursement for the conventional pap smear. Payments in states in which Dianon has laboratories that furnish the new pap smear tests range from $27.90 to $28.00. The Medicare, Medicaid, and SCHIP Benefits Improvement and Protection Act of 2000 ("BIPA"), signed into law on December 21, 2000, requires that the national limitation amount for new lab tests equal 100% of the national median for such tests (versus the 74% applied to other tests). In addition, BIPA included a provision to change the frequency of covered screening pap smears from at least every three years to at least every two years. The addition of Medicare coverage for more frequent pap tests and higher reimbursement for certain types of pap tests have provided and are expected to continue to provide additional revenues for Dianon. With respect to Dianon's anatomic pathology services, which are reimbursed under the Medicare physician fee schedule rather than the Medicare laboratory fee schedule, Medicare reimbursement amounts generally declined with the implementation of the resource-based relative value scale ("RBRVS") system, which went into effect in 1992 and was fully phased in by the end of 1996. Under this system, relative value units ("RVUs") are established for the physician work, practice expense and malpractice expense involved with each physician service. Of these three, however, the physician work and practice expense components comprise the vast majority of the value of a service. The RVUs for a service may be changed from time to time, and once the RVUs are finalized each year, they are multiplied by a "conversion factor" in order to calculate the actual payment for a service. The conversion factor is a monetary amount that changes from year to year based on a variety of factors, including changes in health-related and overall economic indicators. Generally, anatomic pathology reimbursement rates declined during the fee schedule phase-in period, despite an increase in payment rates for certain pathology services performed by Dianon. Due to a five-year review, in 1997 there was an overall decrease in the physician work RVUs established for pathology services. Another five-year review of the work value component was completed in 2001, was published in the Federal Register on June 8, 2001, and went into effect on January 1, 2002. The changes recommended as a result of this more recent review are not expected to have any significant effect on payment for pathology services. In the final 2002 Medicare physician fee schedule, published in November 2001, CMS estimated that refinements and changes in the RVUs for physician work and practice expense would result in a 3% increase in payments for pathology services in 2002, compared to what would have occurred in 2002 had the rule not been published. This estimate is primarily due to the use of new data to calculate the practice expense component of the RVUs. However, due to budget neutrality requirements and other economic factors, the conversion factor used to calculate the fee schedule payments was reduced approximately 5.4% in 2002, which offset some of the expected increase in payments for pathology services. However, for Dianon's most frequently billed service, the 88305 surgical biopsy, reimbursement from Medicare increased approximately 5.5%. As a result of Congress' concerns about the significant decrease in the conversion factor in 2002, and anticipating further decreases in future years, legislation has been passed by the House of Representatives that would require a conversion factor increase of 6% over the next three years, and make changes in the way the conversion factor is calculated in future years. It is not yet known whether this, or similar, legislation will be passed by the Senate and signed into law, or what the final form of such law would be. On June 28, 2002, the proposed 2003 Medicare physician fee schedule was published. The proposed changes, if finalized, could result in significant decreases in Medicare reimbursement for some of the pathology services most frequently billed by Dianon. These decreases would be the result of both a decrease in the conversion factor, based on the current methodology for updating it, and on proposed changes in the data and methodology used to calculate the RVUs for certain pathology services. As noted above, the House of Representatives has approved legislation that would require an increase in the conversion factor in each of the next three years, but the Senate has not yet addressed the issue. CMS is accepting comments on the proposed 2003 physician fee schedule, and the final rule will not be published until November 2002. It is not yet known whether the changes proposed by CMS will be implemented, or the final effect such changes, and any changes in the conversion factor, will have on reimbursement for the pathology services provided by Dianon. However, the outcome could have a material adverse effect on the Company's revenues. 12 The BBA also required the Secretary of the Department of Health and Human Services to use a negotiated rulemaking process to adopt uniform coverage, administration and payment policies for lab tests. A proposed rule was published on March 10, 2000, and the final rule was published on November 23, 2001. This rule establishes national coverage policies for many of the most commonly ordered lab tests, thereby replacing local Medicare policies, which sometimes varied, and it establishes other uniform requirements related to submission of claims for lab tests. The Company believes that the new rule will level the playing field and result in more consistent reimbursement among providers of laboratory testing services. CMS had announced that effective January 1, 2001, independent labs would no longer be allowed to bill Medicare for the technical component ("TC") of pathology services furnished to Medicare beneficiaries who are hospital inpatients. Independent labs would still be able to bill and be paid for the TC of pathology services provided to beneficiaries who are in non-hospital settings, but for the TC of services provided to a hospital inpatient, the independent lab would have to make arrangements with the hospital in order to receive payment. Also beginning on January 1, 2001, under new regulations for hospital outpatient reimbursement, independent labs would be limited to billing the hospital for the TC of any pathology services furnished to hospital outpatients. In other words, under the regulation, independent laboratories that perform the technical component of pathology services for hospital outpatient services would no longer be allowed to bill Medicare for these services and must, instead, bill the hospital. However, BIPA included a "grand fathering" provision allowing independent labs to continue to bill and be paid for the TC of services provided to both hospital inpatients and outpatients for an additional two years, until January 2003. Since Dianon does only minimal testing for hospital inpatients and outpatients, these changes are not expected to have a material financial impact on Dianon. The BBA contained measures to establish market-oriented purchasing for Medicare, including prospective payment systems ("PPS") for hospital outpatient services, home health care, and nursing home care. All of these systems have now been implemented. Since Dianon does only minimal clinical laboratory testing for hospital outpatient, home health care and nursing facility patients, these changes are not expected to have a material financial impact on Dianon. Dianon's Form 10-K and 10-K/A for the year ended December 31, 2001, previously filed with the Securities and Exchange Commission, contains additional information regarding the complex area of reimbursement. o COST OF SALES Cost of sales, which consists primarily of payroll, laboratory supplies, outside services, logistics and depreciation expense, increased to $24.6 million in the Second Quarter-2002 from $15.8 million in the Second Quarter-2001, and to $46.9 million for the Six Months-2002 from $30.8 million for the Six Months-2001. As a percentage of revenues, cost of sales improved to 50% in the Second Quarter-2002 from 55% in the Second Quarter-2001, as well as improving to 50% in the Six Months-2002 from 56% in the Six Months-2001. These improvements are a result of cost control initiatives due to the effective management of fixed costs. o GROSS PROFIT Gross profit totaled $24.7 million in the Second Quarter-2002 versus $12.9 million in the Second Quarter-2001, reflecting a gross profit margin of 50% and 45%, respectively. Gross profit for the Six Months-2002 totaled $47.0 million versus $24.7 million in the prior year, representing margins of 50% and 44%, respectively. The increases in gross profits are a result of increased revenues, cost control initiatives, favorable product line mix and the effective management of fixed costs. o SELLING, GENERAL AND ADMINISTRATIVE EXPENSES Selling, general and administrative expenses increased to $14.2 million in the Second Quarter-2002 from $8.4 million in the Second Quarter-2001, and to $26.9 million for the Six Months-2002 from $16.2 million for the Six Months-2001. These increases are primarily the result of the acquisition of UroCor as well as insurance premiums and commission expense associated with increased revenues. While absolute expenses increased, they remained 13 constant, as a percentage of sales, at 29% for both the Second Quarter-2002 and the Second Quarter-2001 and the Six Months-2002 and Six Months-2001. o SPECIAL CREDIT FOR BAD DEBTS In the second quarter of 2002, in connection with the acquisition of UroCor, the Company reversed approximately $711,000 of allowance for bad debts, as this was the portion of the $5.5 million special bad debt provision that the Company recorded in the fourth quarter of 2001 that was determined to be no longer required. o AMORTIZATION OF INTANGIBLE ASSETS Amortization of intangible assets increased to $425,000 in the Second Quarter-2002 from $422,000 in the Second Quarter-2001, and to $892,000 in the Six Months-2002 from $677,000 in the Six Months-2001. These increases for both the Second Quarter-2002 and the Six Months-2002 are primarily a result of the amortization of the UroCor customer list, the marketing rights from MDdatacor and the accelerated amortization of the Colorado facility customer list, partially offset by the reversal of amortization in connection with the return of 3,066 shares of the Company's common stock relating to the finalization of the John H. Altshuler, M.D., P.C. acquisition Escrow Agreement dated October 2, 2000 as well as the Response Genetics amortization that was fully amortized as of December 31, 2001 and therefore no longer being amortized in 2002. o RESEARCH AND DEVELOPMENT EXPENSES Research and development expenses increased to $327,000 in the Second Quarter-2002 from $316,000 in the Second Quarter-2001, and to $767,000 in the Six Months-2002 from $668,000 in the Six Months-2001. This increase is primarily the result of the acquisition of UroCor and the continued development of CarePath(TM), a proprietary disease management system designed for patients, physicians and managed care organizations. CarePath(TM) services include material for patients to better understand their pathology results, aggregate data on pathology for physician practices and information to assist health plans in managing patients with significant diseases diagnosed by the Company. o INCOME FROM OPERATIONS Income from operations, before the $711,000 special credit for bad debts, increased to $9.7 million in the Second Quarter-2002 from $3.8 million in the Second Quarter-2001, and to $18.4 million in the Six Months-2002 from $7.2 million in the Six Months-2001. These increases are a result of increased revenues, cost control initiatives and the effective use of operating leverage. Earnings before interest, taxes, depreciation and amortization ("EBITDA"), before the special credit for bad debts, increased to $11.1 million in the Second Quarter-2002 from $5.1 million in the Second Quarter-2001, and to $21.2 million in the Six Months-2002 from $9.5 million in the Six Months-2001. As a percentage of sales, EBITDA, before the special credit for bad debts, increased to 22.6% in the Second Quarter-2002 from 17.8% in the Second Quarter-2001, and to 22.6% in the Six Months-2002 from 17.1% in the Six Months-2001. EBITDA is defined as income before interest expense, income tax expense and depreciation and amortization. Adjusted EBITDA excludes the non-recurring $711,000 special credit for bad debts. This item is excluded from adjusted EBITDA as this item does not impact operating results on a recurring basis. Management considers adjusted EBITDA to be one measure of the cash flows from operations of Dianon before debt service that provides a relevant basis for comparison, and adjusted EBITDA is presented to assist investors in analyzing the performance of Dianon. This information should not be considered as an alternative to any measure of performance as promulgated under accounting principles generally accepted in the United States, nor should it be considered as an indicator of the overall financial performance of Dianon. Dianon's calculation of adjusted EBITDA may be different from the calculation used by other companies and, therefore, comparability may be limited. 14 Adjusted EBITDA for the second quarter and six months ended 2002 and 2001 are as follows:

o INTEREST INCOME, NET Net interest income increased to $444,000 in the Second Quarter-2002 from $159,000 in the Second Quarter-2001, and to $637,000 in the Six Months-2002 from $273,000 in the Six Months-2001, due to investments in available-for-sale securities that are yielding higher interest rates as well as higher cash balances earning interest income. o PROVISION FOR INCOME TAXES The provision for income taxes reflects a 40.5% effective tax rate for both the three month and six month periods ended 2002 and 2001, totaling $4.4 million in the Second Quarter-2002 and $1.6 million in the Second Quarter-2001 and $8.0 million in the Six Months-2002 and $3.0 million in the Six Months-2001. o NET INCOME Net income increased 174% to $6.5 million in the Second Quarter-2002 from $2.4 million in the Second Quarter-2001, and 166% to $11.8 million in the Six Months-2002 from $4.4 million in the Six Months-2001. Basic earnings per share increased 66% to $0.53 per share in the Second Quarter-2002 from $0.32 per share in the Second Quarter-2001, and 62% to $0.97 per share in the Six Months-2002 from $0.60 per share in the Six Months-2001, while diluted earnings per share increased 72% to $0.50 per share in the Second Quarter-2002 from $0.29 per share in the Second Quarter-2001, and 66% to $0.91 per share in the Six Months-2002 from $0.55 per share in the Six Months-2001. On a Pro forma basis before the special credit for bad debts of $711,000 ($423,000 after tax), net income increased 156% to $6.1 million in the Second Quarter-2002 from $2.4 million in the Second Quarter-2001, and 157% to $11.3 million in the Six Months-2002 from $4.4 million in the Six Months-2001. On a Pro forma basis before the special credit for bad debts of $711,000, basic earnings per share increased 56% to $0.50 per share in the Second Quarter-2002 from $0.32 per share in the Second Quarter-2001, and 57% to $0.94 per share in the Six Months-2002 from $0.60 per share in the Six Months-2001, while diluted earnings per share increased 62% to $0.47 per share in the Second Quarter-2002 from $0.29 per share in the Second Quarter-2001, and 60% to $0.88 per share in the Six Months-2002 from $0.55 per share in the Six Months-2001. LIQUIDITY AND CAPITAL RESOURCES At June 30, 2002, Dianon had total cash and cash equivalents and investment securities of $64.3 million, comprising of $20.6 million in cash and cash equivalents, substantially all of which was invested in a fund holding U.S. Treasury securities with maturities of less than three months and $43.7 million in available for sale securities, consisting of high grade, fixed income securities with maturities of less than three years. Working capital was $97.8 million and $68.8 million as of June 30, 2002 and December 31, 2001, respectively, and the current ratios (current assets divided by current liabilities) were 6.1:1 and 4.2:1, respectively. Accounts receivable totaled $34.3 million as of June 30, 2002 representing approximately 64 days of sales outstanding, compared to $29.9 million or 63 days as of December 31, 2001. This increase is due to the UroCor acquisition. Capital expenditures for the Second Quarter-2002 and Six Months-2002 totaled approximately $1.0 million and $2.1 million, respectively. Expenditures were primarily related to building expansion and information system enhancements. Effective February 17, 1998, Dianon entered into a three-year, $15 million line of credit agreement with a bank. The agreement includes various provisions regarding borrowings under the facility, including financial and negative 15 covenants. In December 2000, the loan was extended to August 2003, and certain covenants were modified. As of June 30, 2002, no debt was outstanding on the line of credit and the Company was compliant with all covenants. In July 2002, Dianon's Board of Directors authorized the repurchase of an additional $20.0 million of Dianon's Common Stock on the open market or in private transactions in addition to the previously approved amount of $12.0 million. As of July 31, 2002, Dianon had cumulatively repurchased approximately 624,000 shares of Dianon's Common Stock for approximately $12.9 million leaving $19.1 million remaining for authorized repurchases from the current and previously approved stock repurchase plans. In July 2002, Dianon's shareholders approved an amendment to the Company's Restated Certificate of Incorporation to increase the number of shares of authorized Common Stock from 20,000,000 shares to 55,000,0000 shares. Such additional shares may be issued in connection with capital raising efforts. Dianon believes that cash flows from operations and available cash and cash equivalents are adequate to fund Dianon's operations for the foreseeable future. CRITICAL ACCOUNTING POLICIES The Company's critical accounting policies and methods used in the preparation of the Company's consolidated financial statements are described in Note 3 to the Company's annual report on Form 10-K for the year ended December 31, 2001, previously filed with the Securities and Exchange Commission. The following is a brief discussion of the Company's more significant accounting policies and methods. Use of Estimates - The preparation of financial statements in conformity with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual amounts could differ significantly from these estimates. Revenue Recognition - Revenues are recognized in the period in which services are provided. Revenues subject to Medicare and Medicaid, direct physician and hospital billing are based on fixed reimbursement fee schedules. All remaining revenues subject to third-party reimbursement are recorded at the expected net realizable value. Such estimates are revised periodically based upon the Company's actual reimbursement experience. Intangible Assets - Intangible assets are amortized on a straight-line basis over the respective economic life as follows: Years ---------- Customer lists 7 - 15 Tradename Indefinite The Company periodically reviews the anticipated revenues related to intangible assets to determine whether any adjustments to their carrying values are necessary. Income Taxes - The Company utilizes the liability method of accounting for income taxes as set forth in Statement of Financial Accounting Standards No. 109, "Accounting for Income Taxes." Under this method, deferred income taxes are determined based on the difference between the financial statement and tax basis of assets and liabilities using presently enacted tax rates and regulations. The Company records a valuation allowance against deferred tax assets when it is more likely than not that the assets will not be realized. 16 SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS On July 30, 2002 the Company held its 2002 Annual Meeting of Shareholders at which the following actions were approved: the directors were elected, the 2002 Stock Incentive Plan was approved, the appointment of Ernst & Young LLP as the Company's independent public accountants for the calendar year ended December 31, 2002 was ratified and the amendment to the Company's restated certificate of incorporation was approved. The directors elected were Messrs. Bruce K. Crowther, John P. Davis, E. Timothy Geary, Kevin C. Johnson, David R. Schreiber and Jeffrey L. Sklar. The table below represents the votes cast: Director In Favor Against -------- -------- ------- Bruce K. Crowther 10,241,788 367,693 John P. Davis 10,241,788 367,693 E. Timothy Geary 10,241,788 367,693 Kevin C. Johnson 10,241,788 367,693 David R. Schreiber 10,241,788 367,693 Jeffrey L. Sklar 10,241,788 367,693 Other actions and the results taken at the Company's 2002 Annual Meeting of Shareholders were as follows:

17 RISK FACTORS; FORWARD-LOOKING STATEMENTS The Management's Discussion and Analysis contains forward-looking statements regarding Dianon's future plans, objectives, and expected performance. These statements are based on assumptions that Dianon believes are reasonable, but are subject to a wide range of risks and uncertainties, and a number of factors could cause Dianon's actual results to differ materially from those expressed in the forward-looking statements referred to above. These factors include, among others, the uncertainties in reimbursement rates and reimbursement coverage of various tests sold by Dianon to beneficiaries of the Medicare and Medicaid programs; the possibility of being deemed to be not in compliance with Federal or state regulatory requirements; the uncertainties relating to the ability of Dianon to convince physicians and/or managed care organizations to use Dianon as a provider of anatomic pathology testing services; the ability of Dianon to maintain superior quality relative to its competitors; the ability of Dianon to maintain its hospital-based business in light of the competitive pressures and changes occurring in hospital healthcare delivery; the uncertainties relating to states erecting barriers to the performance of national anatomic laboratories, together with the competitive pressures from small specialized laboratories and well established local pathologists; and the uncertainties which would arise if integrated delivery systems closed to outside providers emerged as the dominant form of healthcare delivery. We qualify any forward-looking statements entirely by these cautionary factors, and readers are cautioned not to place undue reliance on forward-looking statements. The words "believe," "may," "will," "could," "should," "would," "anticipate," "estimate," "expect," "intend," "project," "objective," "seek," "strive," "might," "seeks," "likely result," "build," "grow," "plan," "goal," "expand," "position," or similar words, or the negatives of these words, or similar terminology, identify forward-looking statements. The forward-looking statements contained in this report only speak as of the date of this report. The Company disclaims any obligation or undertaking to provide any updates or revisions to any forward-looking statements to reflect any change in management's expectations or any change in events, conditions or circumstances on which the forward-looking statements are based. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK Pursuant to the Company's investment policy, idle and excess funds are invested in high grade, fixed income securities generally for no more than three years and are classified as available-for-sale. Investment securities as of June 30, 2002 consisted of debt securities primarily invested in U.S. Government Agency Bullet Securities with maturities of less than three years. The Company considers any net unrealized gain or loss on these investments to be temporary, and reflects such gains or losses as a component of stockholders' equity. 18 PART II OTHER INFORMATION Item 6 Exhibits and Reports on Form 8-K (a) Exhibits: 11.1 Statement regarding computation of per share earnings is not required because the relevant computation can be determined from the material contained in the Financial Statements included herein. 99.1 Certification Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 99.2 Certification Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. (b) Reports: One Form 8-K Current Report was filed with the Securities and Exchange Commission on May 23, 2002 and a corresponding 8-K/A Current Report was filed with the Securities and Exchange Commission on May 30, 2002. 19 Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. DIANON Systems, Inc. August 13, 2002 /s/ KEVIN C. JOHNSON ---------------------------------------- By: Kevin C. Johnson Chairman of the Board, President and Chief Executive Officer (Principal Executive Officer) August 13, 2002 /s/ DAVID R. SCHREIBER ---------------------------------------- By: David R. Schreiber Senior Vice President, Finance and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer) 20

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