Great Lakes Bancorp, Inc. Watch

from 8-K 76 pages Agreement and Plan of Merger by and Between First Niagara Financial Group, Inc. and Great Lakes Bancorp, Inc. September 9, 2007

from 425 >50 pages Agreement and Plan of Merger, Dated as of October 26, 2005

from 8-K >50 pages Agreement and Plan of Merger, Dated as of October 26, 2005

from 8-K 6 pages Unaudited Pro Forma Condensed Consolidated Statement of Net Assets in Liquidation

from 8-K/A ~50 pages Plan of reorganization, merger, acquisition or similar

from 8-K/A >50 pages Plan of reorganization, merger, acquisition or similar

from 8-K ~20 pages Election and Registration Agreement

from 8-K >50 pages Plan of reorganization, merger, acquisition or similar

from SC 13D 1 page Cusip No. 07262l101 Exhibit B Transactions in Common Stock of the Company No. of Shares Trade Dates Purchased/Sold Cost Per Share Type - 03/12/98 12,500 34.875 P 03/17/98 48,000 35.362 P 03/17/98 2,000 34.915 P 03/18/98 15,000 35.500 P 03/18/98 20,000 35.125 P 03/19/98 10,000 35.875 P 03/19/98 7,500 35.708 P 03/20/98 110,000 35.832 P 03/24/98 10,000 35.250 P 03/25/98 30,000 35.010 P 03/26/98 35,000 34.632 P 03/27/98 7,000 34.411 P 03/30/98 4,000 33.813 P 03/31/98 25,000 34.705 P 04/24/98 25,000 33.475 P 04/24/98 75,000 33.125 P 04/27/98 125,000 31.150 P 04/27/98 40,000 31.875 P 04/27/98 20,000 31.915 P 04/29/98 5,000 31.665 P 04/30/98 39,000 32.654 P 05/01/98 10,000 32.750 P 05/04/98 25,000 32.625 P 05/05/98 74,000 31.431 P 05/05/98 1,000 31.165 P 05/05/98 50,000 31.375 P Page 13 of 13 Pages

from 8-K ~50 pages Agreement and Plan of Merger

from 8-K ~50 pages Plan of reorganization, merger, acquisition or similar