KaloBios Pharmaceuticals, Inc. 7,500,000 Shares Common Stock ($0.001 par value) Underwriting AgreementUnderwriting Agreement • September 26th, 2013 • Kalobios Pharmaceuticals Inc • Pharmaceutical preparations • New York
KaloBios Pharmaceuticals, Inc., a corporation organized under the laws of Delaware (the “Company”), proposes to sell to the several underwriters named in Schedule I hereto (the “Underwriters”), for whom you (the “Representative”) are acting as representative, 7,500,000 shares of common stock, $0.001 par value (“Common Stock”) of the Company set forth in Schedule I hereto (the “Securities”) (said shares to be issued and sold by the Company being hereinafter called the “Underwritten Securities”). The Company also proposes to grant to the Underwriters an option to purchase up to 1,125,000 additional shares of Common Stock to cover over-allotments, if any (the “Option Securities”; the Option Securities, together with the Underwritten Securities, being hereinafter called the “Securities”). To the extent there are no additional Underwriters listed on Schedule I other than you, the term Representative as used herein shall mean you, as Underwriters, and the terms Representative and Underwriter
