0000950123-09-053040 Sample Contracts

NORTHWEST BANCSHARES, INC. (a Maryland-chartered Stock Corporation) Up to 73,025,000 Shares (Subject to Increase Up to 83,978,750 Shares) COMMON STOCK ($0.01 Par Value) Subscription Price $10.00 Per Share FORM OF AGENCY AGREEMENT

Agency Agreement • October 26th, 2009 • Northwest Bancshares, Inc. • National commercial banks • Maryland

• Contract Type
  Agency Agreement
• Filed
  October 26th, 2009
• Company
  Northwest Bancshares, Inc.
• Industry
  National commercial banks
• Jurisdiction
  Maryland

September 18, 2009 Northwest Bancorp Inc. 100 Liberty Street Warren, PA 16365 Attn: William J. Wagner Re: 2009 Special Meeting of Shareholders and Members Dear Bill:

Northwest Bancshares, Inc. • October 26th, 2009 • National commercial banks • Delaware

• Company
  Northwest Bancshares, Inc.
• Filed
  October 26th, 2009
• Industry
  National commercial banks
• Jurisdiction
  Delaware

This Letter of Agreement sets forth the terms and conditions of engagement of Laurel Hill Advisory Group, LLC (“Laurel Hill”) by Northwest Bancorp Inc (“NWSB”) to solicit proxies on behalf of the Company in connection with its Special Meeting of Stockholders and Members (the “Meeting”) scheduled for 2009.