EXHIBIT 2

SCHEDULE 13D JOINT FILING AGREEMENT

In accordance with the requirements of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, and subject to the limitations set forth therein, the parties set forth below agree to jointly file the Schedule 13D (including amendments thereto) to which this joint filing agreement is attached, and further agree that this Joint Filing Agreement be included as an exhibit to such joint filing. In evidence thereof, the undersigned, being duly authorized, have executed this Joint Filing Agreement this 20th day of March, 2018.

	VAN HERK INVESTMENTS B.V.


	By:	/s/Erik G.A. Esveld
	Name: Erik G.A. Esveld
	Title: Attorney-In-Fact

	VAN HERK PRIVATE EQUITY INVESTMENTS B.V.


	By:	/s/Erik G.A. Esveld
	Name: Erik G.A. Esveld
	Title: Attorney-In-Fact

	STICHTING ADMINISTRATIEKANTOOR PENULATA

	By:	/s/Erik G.A. Esveld
	Name: Erik G.A. Esveld
	Title: Attorney-In-Fact

	VAN HERK MANAGEMENT SERVICES B.V.

	By:	/s/Erik G.A. Esveld
	Name: Erik G.A. Esveld
	Title: Attorney-In-Fact

	ONROEREND GOED BEHEER- EN BELEGGINGSMAATSCHAPPIJ A. VAN HERK B.V.

	By:	/s/Erik G.A. Esveld
	Name: Erik G.A. Esveld
	Title: Attorney-In-Fact

	A. VAN HERK HOLDING B.V.

	By:	/s/Erik G.A. Esveld
	Name: Erik G.A. Esveld
	Title: Attorney-In-Fact

	STICHTING ADMINISTRATIEKANTOOR ABCHRYS

	By:	/s/Erik G.A. Esveld
	Name: Erik G.A. Esveld
	Title: Attorney-In-Fact

	ADRIANUS VAN HERK

	By	/s/Erik G.A. Esveld
	Name: Erik G.A. Esveld
	Title: Attorney-In-Fact

Ablynx NV SC 13D/A