X0303 4 2008-08-29 1 0001100124 CELEBRATE EXPRESS, INC. BDAY 0001081274 ARCH VENTURE FUND IV L P 8725 W. HIGGINS ROAD, SUITE 290 CHICAGO IL 60631 0 0 1 0 0001098675 ARCH ENTREPRENEURS FUND LP 8725 W. HIGGINS ROAD, SUITE 290 CHICAGO IL 60631 0 0 1 0 0001274404 ARCH VENTURE PARTNERS IV LLC 8725 W. HIGGINS ROAD, SUITE 290 CHICAGO IL 60631 0 0 1 0 0001219043 BYBEE CLINTON 8725 W. HIGGINS ROAD, SUITE 290 CHICAGO IL 60631 0 0 1 0 0001219039 CRANDELL KEITH 8725 W. HIGGINS ROAD, SUITE 290 CHICAGO IL 60631 1 0 1 0 0001054117 LAZARUS STEVEN 8725 W. HIGGINS ROAD, SUITE 290 CHICAGO IL 60631 0 0 1 0 0001219042 NELSEN ROBERT 8725 W. HIGGINS ROAD, SUITE 290 CHICAGO IL 60631 0 0 1 0 Common Stock 2008-08-29 4 D 0 1004754 D 0 D Common Stock 2008-08-29 4 D 0 26442 D 0 D Common Stock 2008-08-29 4 D 0 13797 D 0 D Disposed of pursuant to an Agreement and Plan of Merger (the "Merger Agreement"), dated as of June 26, 2008, by and among Liberty Media Corporation, a Delaware corporation ("Parent"), Washington Merger Sub, Inc., a Washington corporation and an indirect wholly owned subsidiary of Parent and Celebrate Express, Inc., in exchange for a cash payment of $3,918,541. Disposed of pursuant to the Merger Agreement in exchange for a cash payment of $103,124. Disposed of pursuant to the Merger Agreement in exchange for a cash payment of $53,808. Securities held of record by ARCH Venture Fund IV, L.P. ("ARCH Venture Fund IV"). ARCH Venture Partners IV, LLC ("AVP IV LLC"), as the sole general partner of ARCH Venture Fund IV, may be deemed to beneficially own certain of the shares held of record by ARCH Venture Fund IV. AVP IV LLC disclaims beneficial ownership of all shares held of record by ARCH Venture Fund IV in which AVP IV LLC does not have an actual pecuniary interest. Each of Messrs. Crandell, Bybee, Lazarus and Nelsen, as individual managing directors of AVP IV LLC, may be deemed to beneficially own certain of the shares held of record by ARCH Venture Fund IV. Each of Messrs. Crandell, Bybee, Lazarus and Nelsen disclaims beneficial ownership of all shares held of record by ARCH Venture Fund IV in which he does not have an actual pecuniary interest. Securities held of record by ARCH Entrepreneurs Fund, L.P. ("ARCH Entrepreneurs Fund"). AVP IV LLC, as the sole general partner of ARCH Entrepreneurs Fund, may be deemed to beneficially own certain of the shares held of record by ARCH Entrepreneurs Fund. AVP IV LLC disclaims beneficial ownership of all shares held of record by ARCH Entrepreneurs Fund in which AVP IV LLC does not have an actual pecuniary interest. Each of Messrs. Crandell, Bybee, Lazarus and Nelsen, as individual managing directors of AVP IV LLC, may be deemed to beneficially own certain of the shares held of record by ARCH Entrepreneurs Fund. Each of Messrs. Crandell, Bybee, Lazarus and Nelsen disclaims beneficial ownership of all shares held of record by ARCH Entrepreneurs Fund in which he does not have an actual pecuniary interest. Securities held of record by Keith Crandell. /s/ Mark McDonnell, as Attorney-in-Fact on behalf of each of the Reporting Persons pursuant to Powers of Attorney which were filed with the SEC on February 11, 2008 and which Powers of Attorney are incorporated herein by reference 2008-09-03