EXHIBIT 4.4 AMENDMENT NO. 1 TO RIGHTS AGREEMENT AMENDMENT (this "Amendment"), dated as of February 7, 2003, to the Rights Agreement (the "Rights Agreement"), dated as of December 3, 1998, between CELL PATHWAYS, INC., a Delaware corporation (the...Rights Agreement • March 27th, 2003 • Cell Pathways Inc /De • Pharmaceutical preparations • Delaware
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EXHIBIT 4.6 THIS WARRANT AND THE SHARES OF COMMON STOCK ISSUABLE UPON EXERCISE OF THIS WARRANT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE OFFERED, SOLD OR OTHERWISE TRANSFERRED, PLEDGED OR HYPOTHECATED OR...Cell Pathways Inc /De • March 27th, 2003 • Pharmaceutical preparations • New York
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