S&T Bancorp, Inc. Consolidated Selected Financial Data March 31, 2001 (Dollars in thousands except per share data)	Page 1 of 3
	2000				2001
For the period:	March 1Q	June 2Q	September 3Q	December 4Q	March 1Q
Interest Income (FTE)	$42,665	$43,979	$46,117	$46,527	$44,911
Interest Expense	19,866	21,043	22,442	22,790	21,560
Net Interest Income (FTE)	22,799	22,936	23,675	23,737	23,351
Provision For Loan Losses	1,000	1,000	1,000	1,000	1,000
Net Interest Income
After Provisions (FTE)	21,799	21,936	22,675	22,737	22,351
Security Gains, Net	895	569	961	836	1,424
Service Charges and Fees	1,490	1,710	1,787	1,823	1,715
Wealth Management	1,087	1,174	1,074	1,195	1,299
Other	1,784	2,025	1,895	1,850	2,010
Total Other Income	4,361	4,910	4,756	4,868	5,024
Salaries and Employee Benefits	5,997	5,862	5,967	5,640	6,436
Occupancy and Equip. Expense, Net	1,422	1,366	1,419	1,489	1,512
Data Processing Expense	620	647	572	634	641
FDIC Expense	74	73	74	73	72
Other	3,199	3,228	3,698	3,602	3,029
Total Other Expense	11,312	11,177	11,730	11,438	11,690
Income Before Income Taxes	15,743	16,237	16,662	17,003	17,109
Taxable Equivalent Adjustment	766	764	790	787	734
Federal Income Taxes	4,190	4,331	4,459	4,586	4,725
Net Income	$10,787	$11,143	$11,413	$11,630	$11,650
Per Common Share Data:
Shares Outstanding	27,000,042	26,985,902	26,985,512	26,947,412	26,960,118
Ave. Shs. Outstanding - Diluted	27,092,954	27,070,613	27,071,143	27,061,281	27,120,228
Net Income - Diluted	$0.40	$0.41	$0.42	$0.43	$0.43
Dividends Declared	$0.20	$0.21	$0.21	$0.22	$0.22
Book Value	$8.96	$9.19	$9.81	$10.28	$10.56
Market Value	$17.13	$18.25	$19.00	$21.63	$23.14

S&T Bancorp, Inc. Consolidated Selected Financial Data March 31, 2001 (Dollars in thousands)	Page 2 of 3
	2000				2001
Asset Quality Data:	March 1Q	June 2Q	September 3Q	December 4Q	March 1Q
Nonaccrual Loans/Nonperforming Loans	$8,283	$12,437	$7,848	$2,897	$3,691
Assets acquired through foreclosure
or repossession	360	403	339	548	546
Nonperforming Assets	8,643	12,840	8,187	3,445	4,237
Loan Loss Reserve	29,410	29,892	30,030	27,395	27,993
Nonperforming Loans / Loans	0.55%	0.80%	0.49%	0.18%	0.23%
Loan Loss Reserve / Loans	1.95%	1.92%	1.88%	1.71%	1.71%
Loan Loss Reserve /
Nonperforming Loans	355%	240%	383%	946%	758%
Net Loan Charge-offs (Recoveries)	(1,276)	517	863	3,635	402
Net Loan Charge-offs (Recoveries)
(annualized) /Average Loans	-0.34%	0.14%	0.22%	0.90%	0.10%
Balance Sheet (Period-End):
Assets	$2,233,108	$2,290,409	$2,296,267	$2,310,290	$2,354,398
Earning Assets (1)	2,105,152	2,160,577	2,146,881	2,142,587	2,185,844
Securities (1)	547,690	555,625	552,545	530,909	493,835
Loans, Gross	1,509,096	1,558,892	1,594,336	1,605,023	1,638,184
Total Deposits	1,471,893	1,484,229	1,494,064	1,525,332	1,567,006
Non-Interest Bearing Deposits	224,295	228,651	234,519	232,625	228,958
NOW, Money Market & Savings	580,990	572,001	569,174	576,361	598,199
CD's $100,000 and over	103,643	105,863	114,026	123,299	132,198
Other Time Deposits	562,965	577,714	576,345	593,047	607,651
Short-term borrowings	87,895	91,389	106,933	80,686	66,670
Long-term Debt	389,109	427,139	384,868	377,997	378,227
Shareholder's Equity	241,929	247,915	264,807	277,097	284,627
Balance Sheet (Daily Averages):
Assets	$2,192,311	$2,239,178	$2,276,239	$2,300,826	$2,311,571
Earning Assets (1)	2,070,061	2,113,351	2,140,779	2,152,056	2,148,007
Securities (1)	549,814	550,513	551,750	543,332	500,196
Loans, Gross	1,504,126	1,530,954	1,560,713	1,599,305	1,620,031
Deposits	1,444,314	1,477,065	1,482,129	1,500,831	1,531,354
Shareholder's Equity	239,833	248,510	260,323	273,805	285,041
(1) Excludes unrealized gains related to securities available for sale.

S&T Bancorp, Inc. Consolidated Selected Financial Data March 31, 2001 (Dollars in thousands except per share data)	Page 3 of 3
	2000				2001
Profitability Ratios (annualized):	March 1Q	June 2Q	September 3Q	December 4Q	March 1Q
Return on Average Assets	1.98%	2.00%	1.99%	2.01%	2.04%
Return on Average Shareholder's Equity	18.09%	18.03%	17.44%	16.90%	16.58%
Yield on Earning Assets (FTE)	8.29%	8.37%	8.57%	8.60%	8.48%
Cost of Interest Bearing Funds	4.68%	4.89%	5.09%	5.15%	4.98%
Net Interest Margin (FTE)	4.43%	4.37%	4.40%	4.39%	4.41%
Efficiency Ratio (FTE)(1)	41.65%	40.14%	41.26%	39.99%	41.20%
Capitalization Ratios:
Dividends Paid to Net Income	50.02%	48.46%	49.66%	50.97%	50.89%
Shareholder's Equity to Assets (Period End)	10.83%	10.82%	11.53%	11.99%	12.09%
Leverage Ratio (2)	10.18%	10.21%	10.30%	10.41%	10.62%
Risk Based Capital - Tier I (3)	12.24%	12.19%	12.23%	12.28%	12.28%
Risk Based Capital - Tier II (3)	14.28%	14.22%	14.53%	14.61%	14.52%
Other Data:
Shareholders of Record	3,189	3,202	3,179	3,183	3,174
Number of Banking Offices	38	38	39	39	39
Definitions:
(1)  Recurring non-interest expense divided by recurring non-interest income plus net interest income, on a fully taxable equivalent basis.
(2)  Equity less goodwill to total assets and allowance for loan losses.
(3)  Effective October 1, 1998, banking regulators require financial institutions to include 45% of the pretax net unrealized holding gains on available for sale equity securities in Tier 2 capital.