EXHIBIT A

Exhibit 99.A

EXHIBIT A

Agreement of Reporting Persons

Each of the undersigned hereby agrees that Amendment No. 9 to the Schedule 13G filed on the date hereof with respect to the shares of Common Stock of Internap Network Services Corporation has been filed on behalf of the undersigned.

Signature:

Dated: February 13, 2006

Entities:

Oak Investment Partners VIII, Limited Partnership

Oak Associates VIII, LLC

Oak VIII Affiliates Fund, Limited Partnership

Oak VIII Affiliates, LLC

Oak Investment Partners X, Limited Partnership

Oak Associates X, LLC

Oak X Affiliates Fund, Limited Partnership

Oak X Affiliates, LLC

Oak Management Corporation

	By:	/s/ Xxxxxx X. Xxxxxxxxxx
			Xxxxxx X. Xxxxxxxxxx, as
			General Partner or
			Managing Member or as
			Attorney-in-fact for the
			above-listed entities

Individuals:

Bandel X. Xxxxxx

Xxxxxx X. Xxxxxxxxx

Xxxxxx X. Xxxxxxxxxx

Xxxxxxx X. Xxxxxx

Xxx X. Xxxxxx

Xxxxx X. Xxxxxx

	By:	/s/ Xxxxxx X. Xxxxxxxxxx
			Xxxxxx X. Xxxxxxxxxx,
			Individually and as
			Attorney-in-fact for the
			above-listed individuals