Common use of SOFTWARE CORPORATION Clause in Contracts

SOFTWARE CORPORATION. By: ----------------------------- Name: ----------------------------- Title: ----------------------------- PURE ATRIA CORPORATION By: ----------------------------- Name: ----------------------------- Title: ----------------------------- AFFILIATE By: ----------------------------- Name of Affiliate: ----------------- Name of Signatory (if different from name of Affiliate): ------------------------ Title of Signatory (if applicable): ------------------- Number of shares of Rational Software Corporation Common Stock beneficially owned by Affiliate: ----------------------- Number of shares Rational Software Corporation Common Stock subject to options beneficially owned by Affiliate: ----------------------- ***ACQUIROR AFFILIATE AGREEMENT***

SOFTWARE CORPORATION. By: ----------------------------- -------------------------------------- Name: ----------------------------- -------------------------------------- Title: ----------------------------- -------------------------------------- PURE ATRIA CORPORATION By: ----------------------------- -------------------------------------- Name: ----------------------------- -------------------------------------- Title: ----------------------------- -------------------------------------- AFFILIATE By: ----------------------------- -------------------------------------- Name of Affiliate: ----------------- -------------------------- Name of Signatory (if different from name of Affiliate): ------------------------ --------------------------------- Title of Signatory (if applicable): ------------------- ---------------------------- Number of shares of Rational Software Pure Atria Corporation Common Stock beneficially owned by Affiliate: ----------------------- ------------------------- Number of shares Rational Software of Pure Atria Corporation Common Stock subject to options beneficially owned by Affiliate: ----------------------- ------------------------- ***ACQUIROR TARGET AFFILIATE AGREEMENT***