EX-99 2 r_cyb13g-99.txt JOINT FILING AGREEMENT EXHIBIT A JOINT FILING AGREEMENT Pursuant to Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, the undersigned agree to the joint filing of a Statement on Schedule 13G (including any and all amendments thereto, and any filing on Schedule 13D relating to the same investment) with respect to the shares of common stock, par value $0.01 per share, of Cyberonics, Inc., and further agree that this Joint Filing Agreement be included as an Exhibit thereto. In addition, each party to this Agreement expressly authorizes each other party to this Agreement to file on its behalf any and all amendments to such Statement. Dated: June 22, 2007 RHO CAPITAL PARTNERS, INC. By: /s/ Jeffrey I. Martin ------------------------------------ Jeffrey I. Martin, Authorized Signer JOSHUA RUCH By: /s/ Jeffrey I. Martin ------------------------------------ Jeffrey I. Martin, Authorized Signer HABIB KAIROUZ By: /s/ Jeffrey I. Martin ------------------------------------ Jeffrey I. Martin, Authorized Signer MARK LESCHLY By: /s/ Jeffrey I. Martin ------------------------------------ Jeffrey I. Martin, Authorized Signer DRAKENSBERG, L.P. By: /s/ Jeffrey I. Martin ------------------------------------ Jeffrey I. Martin, Authorized Signer KARIBA LLC By: /s/ Jeffrey I. Martin ------------------------------------ Jeffrey I. Martin, Authorized Signer