EXHIBIT 4.4 CERTIFICATE OF TRUST AGL CAPITAL TRUST II -------------------- This Certificate of Trust of AGL Capital Trust II is duly executed and filed by The Bank of New York (Delaware), a Delaware banking corporation, and Paul R. Shlanta and Thomas L. Gleason, each an individual, as trustees, to form a business trust pursuant to the Delaware Business Trust Act, 12 Del. C. --- - (S) 3801, et seq. -- --- 1. Name. The name of the business trust being formed ---- hereby (the "Trust") is "AGL Capital Trust II." 2. Delaware Trustee. The name and business address of the trustee of the ---------------- Trust which has its principal place of business in the State of Delaware is as follows: The Bank of New York (Delaware) White Clay Center, Route 273 Newark, Delaware 19711 3. Effective Date. This Certificate of Trust shall be effective as of -------------- the date of filing. In Witness Whereof, the undersigned, being the sole trustees of the Trust, have executed this Certificate of Trust. Dated: March 20, 2001 THE BANK OF NEW YORK (DELAWARE), as Delaware Trustee By: /s/ William T. Lewis ------------------------ Name: William T. Lewis Title: Senior Vice President /s/Paul R. Shlanta ------------------ Paul R. Shlanta, as Trustee /s/ Thomas L. Gleason --------------------- Thomas L. Gleason, as Trustee