AGREEMENT

Exhibit 99.1

AGREEMENT

Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of the shares of Common Stock of ReachLocal, Inc.

Dated: February  9, 2011

RHO VENTURES V, L.P.
BY: RMV V, L.L.C.
ITS: GENERAL PARTNER

/s/ Xxxxxxx X. Xxxxxx Xxxxxxx X. Xxxxxx
Authorized Signer

RHO VENTURES V AFFILIATES, L.L.C.
By: RMV V, L.L.C.
ITS: MANAGING MEMBER

/s/ Xxxxxxx X. Xxxxxx

Xxxxxxx X. Xxxxxx
Authorized Signer

RMV V, L.L.C. BY: RHO CAPITAL PARTNERS LLC
ITS: MANAGING MEMBER

/s/ Xxxxxxx X. Xxxxxx Xxxxxxx X. Xxxxxx
Authorized Signer

RHO CAPITAL PARTNERS LLC

/s/ Xxxxxxx X. Xxxxxx Xxxxxxx X. Xxxxxx
Authorized Signer

/s/ Xxxxxxx X. Xxxxxx
Xxxxxxx X. Xxxxxx, Authorized Signer for Xxxxxx Xxxx

/s/ Xxxxxxx X. Xxxxxx
Xxxxxxx X. Xxxxxx, Authorized Signer for Xxxxx Xxxxxxx

/s/ Xxxxxxx X. Xxxxxx
Xxxxxxx X. Xxxxxx, Authorized Signer for Xxxx Xxxxxxx