0001047469-11-006540 Sample Contracts

AGREEMENT AND PLAN OF MERGER AND REORGANIZATION among: AMAG PHARMACEUTICALS, INC., a Delaware corporation; ALAMO ACQUISITION SUB, INC., a Delaware corporation; and ALLOS THERAPEUTICS, INC., a Delaware corporation

Agreement and Plan of Merger And • July 22nd, 2011 • Allos Therapeutics Inc • Pharmaceutical preparations • Delaware

• Contract Type
  Agreement and Plan of Merger And
• Filed
  July 22nd, 2011
• Company
  Allos Therapeutics Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Delaware

THIS AGREEMENT AND PLAN OF MERGER AND REORGANIZATION ("Agreement") is made and entered into as of July 19, 2011, by and among AMAG PHARMACEUTICALS, INC., a Delaware corporation ("Parent"); ALAMO ACQUISITION SUB, INC., a Delaware corporation and a wholly-owned subsidiary of Parent ("Merger Sub"); and ALLOS THERAPEUTICS, INC., a Delaware corporation (the "Company"). Certain capitalized terms used in this Agreement are defined in Exhibit A.

VOTING AGREEMENT

Voting Agreement • July 22nd, 2011 • Allos Therapeutics Inc • Pharmaceutical preparations • Delaware

• Contract Type
  Voting Agreement
• Filed
  July 22nd, 2011
• Company
  Allos Therapeutics Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Delaware

This VOTING AGREEMENT ("Agreement") is entered into as of July , 2011, by and between ALLOS THERAPEUTICS, INC., a Delaware corporation (the "Company"), and ("Stockholder").