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 27th day of February, 2018.

	VAN HERK INVESTMENTS B.V.


	By:	/s/Adrianus van Herk
	Name: Adrianus van Herk
	Title: Authorized Person

	VAN HERK PRIVATE EQUITY INVESTMENTS B.V.


	By:	/s/Adrianus van Herk
	Name: Adrianus van Herk
	Title: Authorized Person

	STICHTING ADMINISTRATIEKANTOOR PENULATA

	By:	/s/Adrianus van Herk
	Name: Adrianus van Herk
	Title: Authorized Person

	VAN HERK MANAGEMENT SERVICES B.V.

	By:	/s/Adrianus van Herk
	Name: Adrianus van Herk
	Title: Authorized Person

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

	By:	/s/Adrianus van Herk
	Name: Adrianus van Herk
	Title: Authorized Person

A. VAN HERK HOLDING B.V.

By:	/s/Adrianus van Herk
Name: Adrianus van Herk
Title: Authorized Person

STICHTING ADMINISTRATIEKANTOOR ABCHRYS

By:	/s/Adrianus van Herk
Name: Adrianus van Herk
Title: Authorized Person


	/s/Adrianus van Herk
		ADRIANUS VAN HERK

Ablynx NV SC 13D/A