PAETEC CORP S-1/A

FORM S-1/A

EXHIBIT 10.6.5

EXHIBIT 10.7.4

EXHIBIT 10.8.5

EXHIBIT 10.9.5

EXHIBIT 10.10.5

EXHIBIT 10.11.6

EXHIBIT 10.12.6

EXHIBIT 10.13.5

EXHIBIT 10.16.1

EXHIBIT 10.16.2

EXHIBIT 10.18

EXHIBIT 10.21.2

EXHIBIT 10.21.3

EXHIBIT 10.21.4

EXHIBIT 10.21.5

EXHIBIT 10.21.6

EXHIBIT 10.23.3

EXHIBIT 10.28

EXHIBIT 10.29

EXHIBIT 23.1

EXHIBIT 23.2

FINANCIAL DATA SCHEDULE