<PAGE>
- --------------------------------------------------------------------------------
To: HINSDALE FINANCIAL STOCKHOLDERS
- --------------------------------------------------------------------------------
WE REQUEST THAT YOU RECONSIDER YOUR VOTE
YOUR BOARD OF DIRECTORS HAS UNANIMOUSLY APPROVED THE MERGER WITH LIBERTY BANCORP
BECAUSE THEY ARE CONVINCED THAT THE MERGER WILL INCREASE THE OPERATIONAL AND
STRATEGIC VALUE OF YOUR INVESTMENT BASED ON THE FOLLOWING:
[x] DOUBLE THE SIZE OF YOUR COMPANY BY ACQUIRING ANOTHER COMPANY,
THROUGH A MERGER, FOR LESS THAN BOOK VALUE, USING STOCK IN A TAX
FREE EXCHANGE
[x] INCREASED EARNINGS PER SHARE ($1.85 VS. $1.61)
[x] INCREASED BOOK VALUE PER SHARE ($22.71 VS. $20.62)
[x] ALLIANCE BANCORP WILL BE MORE ATTRACTIVE AS AN ON-GOING ENTITY
AND ULTIMATELY TO POTENTIAL SUITORS
[x] ANNUAL DIVIDEND OF $.65 PER SHARE TO BE PAID
AND A PLANNED 10% STOCK REPURCHASE
[x] THE GOODWILL LAWSUIT MAY TAKE YEARS TO RESOLVE
AND ANY POTENTIAL SETTLEMENT IS UNCERTAIN AND MAY BE TAXABLE
YOU MAY HAVE RECEIVED A LETTER FROM ANOTHER STOCKHOLDER.
DO NOT BE MISLED BY THEIR SPECULATIVE CLAIMS.
PLEASE VOTE IN FAVOR OF THIS VALUE ENHANCING MERGER.
--------
SIGN, DATE AND RETURN THE WHITE PROXY CARD TODAY.
THANK YOU FOR YOUR CONSIDERATION.
/s/ Kenne P. Bristol /s/ William R. Rybak
KENNE P. BRISTOL WILLIAM R. RYBAK
PRESIDENT AND CEO CHAIRMAN OF THE BOARD
- ------------------------------------------------------------------------------
IMPORTANT
IF YOU NEED ASSISTANCE OR INFORMATION, PLEASE CALL OUR PROXY SOLICITOR:
MORROW & CO., (800) 662-5200
THE HINSDALE FINANCIAL SPECIAL MEETING WAS ADJOURNED AND
RESCHEDULED FOR DEC. 11, 1996
<PAGE>
- --------------------------------------------------------------------------------
To: HINSDALE FINANCIAL STOCKHOLDERS
- --------------------------------------------------------------------------------
WE APPRECIATE YOUR SUPPORT
AS YOU KNOW, YOUR BOARD OF DIRECTORS HAS UNANIMOUSLY APPROVED THE MERGER WITH
LIBERTY BANCORP BECAUSE THEY ARE CONVINCED THAT THE MERGER WILL INCREASE THE
OPERATIONAL AND STRATEGIC VALUE OF YOUR INVESTMENT BASED ON THE FOLLOWING:
[x] DOUBLE THE SIZE OF YOUR COMPANY BY ACQUIRING ANOTHER COMPANY,
THROUGH A MERGER, FOR LESS THAN BOOK VALUE, USING STOCK IN A TAX FREE
EXCHANGE
[x] INCREASED EARNINGS PER SHARE ($1.85 VS. $1.61)
[x] INCREASED BOOK VALUE PER SHARE ($22.71 VS. $20.62)
[x] ALLIANCE BANCORP WILL BE MORE ATTRACTIVE AS AN ON-GOING ENTITY
AND ULTIMATELY TO POTENTIAL SUITORS
[x] ANNUAL DIVIDEND OF $.65 PER SHARE TO BE PAID
AND A PLANNED 10% STOCK REPURCHASE
[x] THE GOODWILL LAWSUIT MAY TAKE YEARS TO RESOLVE
AND ANY POTENTIAL SETTLEMENT IS UNCERTAIN AND MAY BE TAXABLE
YOU MAY HAVE RECEIVED A LETTER FROM ANOTHER STOCKHOLDER.
DO NOT BE MISLED BY THEIR SPECULATIVE CLAIMS.
IF YOU HAVE ALREADY VOTED FOR THIS VALUE ENHANCING MERGER, YOU DO NOT HAVE TO
VOTE AGAIN. PLEASE DISREGARD THE BLUE PROXY CARD YOU MAY RECEIVE.
AGAIN, THANK YOU FOR YOUR SUPPORT.
/s/ Kenne P. Bristol /s/ William R. Rybak
KENNE P. BRISTOL WILLIAM R. RYBAK
PRESIDENT AND CEO CHAIRMAN OF THE BOARD
- -------------------------------------------------------------------------------
IMPORTANT
IF YOU NEED ASSISTANCE OR INFORMATION, PLEASE CALL OUR PROXY SOLICITOR:
MORROW & CO., (800) 662-5200
THE HINSDALE FINANCIAL SPECIAL MEETING WAS ADJOURNED
AND RESCHEDULED FOR DEC. 11, 1996
<PAGE>
- --------------------------------------------------------------------------------
To: HINSDALE FINANCIAL STOCKHOLDERS
- --------------------------------------------------------------------------------
VOTE TODAY
[x]
WE NEED YOUR VOTE
NOT VOTING HAS THE SAME EFFECT AS A VOTE AGAINST THE MERGER
YOUR BOARD OF DIRECTORS HAS UNANIMOUSLY APPROVED THE MERGER WITH LIBERTY BANCORP
BECAUSE THEY ARE CONVINCED THAT THE MERGER WILL INCREASE THE OPERATIONAL AND
STRATEGIC VALUE OF YOUR INVESTMENT BASED ON THE FOLLOWING:
[x] DOUBLE THE SIZE OF YOUR COMPANY BY ACQUIRING ANOTHER COMPANY,
THROUGH A MERGER, FOR LESS THAN BOOK VALUE, USING STOCK IN A TAX
FREE EXCHANGE
[x] INCREASED EARNINGS PER SHARE ($1.85 VS. $1.61)
[x] INCREASED BOOK VALUE PER SHARE ($22.71 VS. $20.62)
[x] ALLIANCE BANCORP WILL BE MORE ATTRACTIVE AS AN ON-GOING ENTITY
AND ULTIMATELY TO POTENTIAL SUITORS
[x] ANNUAL DIVIDEND OF $.65 PER SHARE TO BE PAID
AND A PLANNED 10% STOCK REPURCHASE
[x] THE GOODWILL LAWSUIT MAY TAKE YEARS TO RESOLVE
AND ANY POTENTIAL SETTLEMENT IS UNCERTAIN AND MAY BE TAXABLE
YOU MAY HAVE RECEIVED A LETTER FROM ANOTHER STOCKHOLDER.
DO NOT BE MISLED BY THEIR SPECULATIVE CLAIMS.
PLEASE VOTE IN FAVOR OF THIS VALUE ENHANCING MERGER.
--------
SIGN, DATE AND RETURN THE WHITE PROXY CARD TODAY.
/s/ Kenne P. Bristol /s/ William R. Rybak
KENNE P. BRISTOL WILLIAM R. RYBAK
PRESIDENT AND CEO CHAIRMAN OF THE BOARD
- --------------------------------------------------------------------------------
IMPORTANT
IF YOU NEED ASSISTANCE OR INFORMATION, PLEASE CALL OUR PROXY SOLICITOR:
MORROW & CO., (800) 662-5200
THE HINSDALE FINANCIAL SPECIAL MEETING WAS ADJOURNED AND
RESCHEDULED FOR DEC. 11, 1996
<PAGE>
- --------------------------------------------------------------------------------
To: HINSDALE FINANCIAL STOCKHOLDERS
- --------------------------------------------------------------------------------
YOUR SUPPORT IS IMPORTANT
YOUR BOARD OF DIRECTORS HAS UNANIMOUSLY APPROVED THE MERGER WITH LIBERTY BANCORP
BECAUSE THEY ARE CONVINCED THAT THE MERGER WILL INCREASE THE OPERATIONAL AND
STRATEGIC VALUE OF YOUR INVESTMENT BASED ON THE FOLLOWING:
[x] DOUBLE THE SIZE OF YOUR COMPANY BY ACQUIRING ANOTHER COMPANY,
THROUGH A MERGER, FOR LESS THAN BOOK VALUE, USING STOCK IN A TAX
FREE EXCHANGE
[x] INCREASED EARNINGS PER SHARE ($1.85 VS. $1.61)
[x] INCREASED BOOK VALUE PER SHARE ($22.71 VS. $20.62)
[x] ALLIANCE BANCORP WILL BE MORE ATTRACTIVE AS AN ON-GOING ENTITY
AND ULTIMATELY TO POTENTIAL SUITORS
[x] ANNUAL DIVIDEND OF $.65 PER SHARE TO BE PAID
AND A PLANNED 10% STOCK REPURCHASE
[x] THE GOODWILL LAWSUIT MAY TAKE YEARS TO RESOLVE
AND ANY POTENTIAL SETTLEMENT IS UNCERTAIN AND MAY BE TAXABLE
YOU MAY HAVE RECEIVED A LETTER FROM ANOTHER STOCKHOLDER.
DO NOT BE MISLED BY THEIR SPECULATIVE CLAIMS.
IF YOU HAVE ALREADY VOTED IN FAVOR OF THIS VALUE ENHANCING MERGER, YOU
DO NOT HAVE TO VOTE AGAIN. PLEASE DISREGARD THE BLUE PROXY CARD
YOU MAY RECEIVE.
IF YOU HAVE VOTED AGAINST THE MERGER, WE REQUEST THAT YOU
RECONSIDER YOUR VOTE AND SUPPORT THIS MERGER BY SIGNING, DATING AND
RETURNING THE ENCLOSED WHITE PROXY CARD.
THANK YOU FOR YOUR ATTENTION.
/s/ Kenne P. Bristol /s/ William R. Rybak
KENNE P. BRISTOL WILLIAM R. RYBAK
PRESIDENT AND CEO CHAIRMAN OF THE BOARD
- --------------------------------------------------------------------------------
IMPORTANT
IF YOU NEED ASSISTANCE OR INFORMATION, PLEASE CALL OUR PROXY SOLICITOR:
MORROW & CO., (800) 662-5200
THE HINSDALE FINANCIAL SPECIAL MEETING WAS ADJOURNED AND
RESCHEDULED FOR DEC. 11, 1996
