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
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...Warrant Agreement • March 27th, 2003 • Cell Pathways Inc /De • Pharmaceutical preparations • New York
