8-K

United States

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 8-K
Current Report
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 21, 2008
S&T Bancorp, Inc.____________________________________________________________  (Exact Name of Registrant as Specified in its Charter)
Pennsylvania_________________ (State or Other Jurisdiction of Incorporation)	0-12508_________________ (Commission File Number)	25-1434426_________________ (IRS Employer Identification No.)
800 Philadelphia Street, Indiana, PA __________________________________________ (Address of Principal Executive Offices)			15701 ___________________ Zip Code
Registrant's telephone number, including area code			(800) 325-2265
Former name or address, if changed since last report			Not Applicable

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

 Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

 Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

 Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

 Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 2.02 - Results of Operations and Financial Condition

On January 21, 2008, S&T Bancorp, Inc. announced by press release its earnings for the fourth quarter and twelve months ended December 31, 2007. A copy of the press release is attached hereto as Exhibit 99.1. The information contained in this Report on Form 8-K is furnished pursuant to Item 2.02 and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Exchange Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 - Financial Statements and Exhibits

(d) Exhibits. The exhibit listed on the Exhibit Index accompanying this Form 8-K is filed herewith.

(99.1) Press Release

SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed by the undersigned thereunto duly authorized.
January 21, 2008	S&T Bancorp, Inc. /s/ Robert E. Rout Robert E. Rout Senior Executive Vice President, Chief Financial Officer and Secretary

Exhibit Index
Number	Description	Method of Filing
99.1	Press Release	Filed herewith

EX-99

Contact:  Robert E. Rout
              Senior Executive Vice President,
              Chief Financial Officer & Secretary
              724-465-1487

TO BE RELEASED
9:00 a.m., Monday, January 21, 2008

S&T Bancorp, Inc. Announces Earnings

Indiana, Pennsylvania - S&T Bancorp, Inc. (NASDAQ: STBA) today announced earnings for the fourth quarter and the year ended December 31, 2007. Diluted earnings per share for the fourth quarter of 2007 were $0.54 per share compared to $0.52 per share in the fourth quarter of 2006. Net income for the fourth quarter of 2007 was $13.3 million compared to $13.2 million in the comparable period one year ago.

For the year ended December 31, 2007, diluted earnings per share increased 10 percent to $2.26 from $2.06 in 2006, and net income increased 5 percent to $56.1 million from $53.3 million in 2006. Return on average assets and return on average equity for 2007 were 1.68 percent and 16.97 percent, respectively, compared to 1.64 percent and 15.37 percent in 2006.

James C. Miller, chairman and chief executive officer, commented, "I am very pleased with our 2007 performance. I also believe strongly that we are well positioned to take advantage of strategic opportunities that will be presented in 2008 as a result of the current market disruptions and our upcoming merger with Irwin Bank. While we are mindful of the difficult environment, we also see great possibilities to enhance our market share and strengthen our franchise value in the western Pennsylvania markets where we do business."

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S&T Bancorp
Announces Earnings
Page 2 of 6

Earning assets increased $60.7 million over the past 12 months, primarily driven by an $81.4 million or 4 percent increase in commercial lending, and a $49.2 million or 8 percent increase in consumer and residential mortgage loans. Investment securities declined $70.0 million during the same period due to an asset liability management strategy to reduce borrowing levels, balance sheet leverage and the potential interest rate risks of a flattening and sometimes inverted yield curve. Deposits increased $56.5 million or 2 percent during 2007. Todd Brice, S&T's president and chief operating officer, noted, "Good core deposit and loan growth are important indicators of S&T's success in growing our business through our relationship banking strategies which continue to differentiate us in the market."

Net interest income, on a fully taxable equivalent basis, increased approximately $1.9 million or 7 percent for the quarter, and increased $3.5 million or 3 percent for the 12 months of 2007 as compared to the same periods of 2006. Net interest margin on a fully taxable equivalent basis was 3.86 percent, 3.94 percent and 3.87 percent for the third quarter, fourth quarter and full year of 2007, respectively. For the same periods of 2006, the net margin on a fully taxable equivalent basis was 3.87 percent, 3.80 percent and 3.86 percent, respectively.

Noninterest income for the fourth quarter of 2007, excluding gains on the sale of investment securities, increased $0.3 million, as compared to the same period last year primarily driven by merchant, debit card, insurance and brokerage activities. Year-to-date noninterest income, excluding gains on the sale of investment securities, increased $1.9 million or 5 percent to $36.8 million. Included in the year-to-date noninterest income is $1.2 million resulting from the reclassification of investment securities held in the deferred compensation plan trust to a trading classification from available for sale classification. Other increases included $0.8 million for merchant and debit card revenue and $0.6 million for insurance, offset by reduced revenues in retail related fees in 2007 and a $0.4 million accrual adjustment for wealth management fees in 2006.

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S&T Bancorp
Announces Earnings
Page 3 of 6

Realized equity security gains for the fourth quarter and year-to-date 2007 were $0.6 million and $3.8 million, respectively. Realized equity security gains for the fourth quarter and full year 2006 were $1.2 million and $5.5 million, respectively. Market value and unrealized gains in the equity securities portfolios at December 31, 2007 were $41.3 million and $7.5 million, respectively, as compared to $55.3 million and $16.1 million at December 31, 2006. As an ongoing strategic initiative, S&T has been reducing the size of the equity portfolios over the past three years and allocating resources and associated capital to more core banking related activities.

Noninterest expense increased for the fourth quarter and year-to-date 2007 by $1.0 million and $4.2 million, respectively, as compared to the same periods of 2006. The primary factors in the full year increase are a $2.8 million increase in salaries, benefits and incentives, and a $1.2 million increase in occupancy, equipment and data processing expenses. Salary and benefits expense increases reflect the impact of normal merit increases and earnings per share growth related incentive programs.

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S&T Bancorp
Announces Earnings
Page 4 of 6

Occupancy, equipment and data processing expense increases for the 2007 year-to-date period were affected by several facility restructurings, which included the closing of four branches, the addition of three new branches and expanded operational and administrative facilities. The efficiency ratio, which measures noninterest expense to core revenue, was 47 percent at December 31, 2007 as compared to 45 percent last year.

Nonperforming assets totaled $17.3 million or 0.51 percent of total assets at December 31, 2007 as compared to $15.3 million or 0.46 percent at September 30, 2007 and $20.4 million or 0.61 percent at December 31, 2006. The allowance for loan losses was $34.3 million at December 31, 2007 as compared to $33.2 million at December 31, 2006. The ratio of the allowance for loan losses compared to total loans was 1.23 percent at December 31, 2007 and 1.25 percent at December 31, 2006.

Net loan charge-offs for the full year 2007 were $4.7 million or 0.17 percent of average loans as compared to $12.7 million or 0.49 percent for 2006 and $1.7 million or 0.07 percent in 2005. Net loan charge-offs for 2006 were affected by three significant troubled commercial loan relationships that comprised $11.4 million of the total net charge-offs for 2006. Two of those troubled credits have combined remaining loan balances of $5.5 million and are believed to be adequately collateralized.

In the fourth quarter of 2007, S&T recorded a provision for loan losses of $1.2 million as compared to a provision for loan losses of $0.8 million in the fourth quarter of 2006. Year-to-date 2007, the provision for loan losses was $5.8 million as compared to $9.4 million for the year ended December 31, 2006. The provision for loan losses, which is based upon management's detailed quarterly analysis of the adequacy of the allowance for loan losses, is directionally consistent with the trends in asset quality. Todd Brice noted, "2006 was an unusually difficult year for asset quality. I am pleased that our asset quality has returned to more normal levels and that we have no sub-prime loan issues in our loan or investment portfolios. We continue to be very aggressive in dealing with potential problem loans. This is especially important for commercial relationships since these loans tend to be larger and, by their nature, may take longer to resolve."

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S&T Bancorp
Announces Earnings
Page 5 of 6

S&T Bancorp, Inc. declared a common stock quarterly cash dividend of $0.31 per share on December 17, 2007. The dividend is payable on January 25, 2008 to shareholders of record as of December 31, 2007. This dividend represents a 3 percent increase over the $0.30 per share quarterly dividend declared a year ago and a 4 percent projected yield utilizing the December 31, 2007 closing market price of $27.64. The S&T Bancorp, Inc. Board of Directors authorized stock buyback programs in 2005 and 2006 of one million shares each, or approximately 4 percent of shares outstanding in each year. On June 18, 2007, the S&T Bancorp, Inc. Board of Directors authorized an additional buyback program of one million shares until June 30, 2008. During 2006, S&T repurchased 1,031,700 shares through these programs at an average cost of $34.19 per share. During 2007, S&T has repurchased 971,400 shares at an average price of $32.74.

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S&T Bancorp
Announces Earnings
Page 6 of 6

Headquartered in Indiana, PA, S&T Bancorp, Inc. operates 46 offices within Allegheny, Armstrong, Blair, Butler, Cambria, Clarion, Clearfield, Indiana, Jefferson and Westmoreland counties. With assets of $3.4 billion, S&T Bancorp, Inc. stock trades on the NASDAQ Global Select Market System under the symbol STBA.

This information may contain forward-looking statements regarding future financial performance which are not historical facts and which involve risks and uncertainties. Actual results and performance could differ materially from those anticipated by these forward-looking statements. Factors that could cause such a difference include, but are not limited to, general economic conditions, change in interest rates, deposit flows, loan demand, asset quality, including real estate and other collateral values, and competition. This information should be read in conjunction with the audited financial statements and analysis as presented in the Annual Report on Form 10-K for S&T Bancorp, Inc. and subsidiaries.

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EX-99

S&T Bancorp, Inc. Consolidated Selected Financial Data December 31, 2007 (Dollars in thousands, except per share data)										Page 1 of 3
	2006				2007				Year-to-date
	March 1Q	June 2Q	September 3Q	December 4Q	March 1Q	June 2Q	September 3Q	December 4Q	December 2007	December 2006
For the period:
Interest Income	$47,884	$50,957	$53,028	$52,833	$52,934	$54,274	$54,761	$53,637	$215,605	$204,702
Interest Expense	19,810	22,830	24,186	24,758	24,725	25,321	25,485	23,636	99,167	91,584
Net Interest Income	28,074	28,127	28,842	28,075	28,209	28,953	29,276	30,001	116,438	113,118
Taxable Equivalent Adjustment	1,068	1,117	1,146	1,173	1,186	1,216	1,170	1,156	4,727	4,504
Net Interest Income (FTE)	29,142	29,244	29,988	29,248	29,395	30,169	30,446	31,157	121,165	117,622
Provision For Loan Losses	1,500	5,700	1,352	828	2,178	1,305	1,142	1,187	5,812	9,380
Net Interest Income After Provisions (FTE)	27,642	23,544	28,636	28,420	27,217	28,864	29,304	29,970	115,353	108,242
Security Gains, Net	1,809	1,244	1,210	1,218	1,656	481	1,129	579	3,844	5,481
Service Charges and Fees	2,452	2,657	2,666	2,637	2,343	2,529	2,605	2,647	10,124	10,412
Wealth Management	2,223	2,058	1,854	1,726	1,855	1,978	1,751	1,886	7,470	7,862
Insurance	1,738	1,572	1,759	1,569	1,894	1,792	1,874	1,726	7,285	6,637
Other	2,261	2,803	2,432	2,502	2,424	2,744	4,270	2,443	11,882	9,998
Total Noninterest Income	8,674	9,090	8,711	8,434	8,516	9,043	10,500	8,702	36,761	34,909
Salaries and Employee Benefits	9,512	9,004	8,618	10,467	9,934	10,073	9,910	10,470	40,387	37,601
Occupancy and Equip. Expense, Net	2,087	1,962	2,194	2,155	2,261	2,447	2,423	2,452	9,583	8,398
Data Processing Expense	1,164	1,249	1,186	1,253	1,234	1,301	1,179	1,166	4,880	4,852
FDIC Expense	75	75	77	75	76	77	74	75	302	302
Other	4,101	4,983	4,264	4,777	4,084	4,163	4,543	5,518	18,308	18,126
Total Noninterest Expense	16,939	17,273	16,339	18,727	17,589	18,061	18,129	19,681	73,460	69,279
Income Before Taxes	21,186	16,605	22,218	19,345	19,800	20,327	22,804	19,570	82,498	79,353
Taxable Equivalent Adjustment	1,068	1,117	1,146	1,173	1,186	1,216	1,170	1,156	4,727	4,504
Applicable Income Taxes	5,881	4,251	6,408	4,973	5,316	5,235	5,973	5,103	21,627	21,513
Net Income	$14,237	$11,237	$14,664	$13,199	$13,298	$13,876	$15,661	$13,311	$56,144	$53,336
Per Common Share Data:
Shares Outstanding at End of Period	26,083,980	25,690,880	25,303,774	25,361,274	24,897,787	24,468,671	24,543,177	24,551,087	24,551,087	25,361,274
Average Shares Outstanding - Diluted	26,448,765	26,038,892	25,753,722	25,530,984	25,389,584	24,847,410	24,690,735	24,677,720	24,888,574	25,940,352
Net Income - Diluted	$0.54	$0.43	$0.57	$0.52	$0.52	$0.56	$0.63	$0.54	$2.26	$2.06
Dividends Declared	$0.29	$0.29	$0.29	$0.30	$0.30	$0.30	$0.30	$0.31	$1.21	$1.17
Book Value	$13.41	$13.14	$13.24	$13.37	$13.16	$12.98	$13.36	$13.73	$13.73	$13.37
Market Value	$36.58	$33.23	$32.50	$34.67	$33.04	$32.90	$32.09	$27.64	$27.64	$34.67

S&T Bancorp, Inc. Consolidated Selected Financial Data December 31, 2007 (Dollars in thousands)								Page 2 of 3
	2006				2007
	March 1Q	June 2Q	September 3Q	December 4Q	March 1Q	June 2Q	September 3Q	December 4Q
Asset Quality Data
Nonaccrual Loans and Nonperforming Loans	$13,063	$21,824	$15,058	$19,852	$19,854	$14,944	$14,445	$16,798
Assets acquired through foreclosure or repossession	3,084	2,725	2,633	523	606	610	869	488
Nonperforming Assets	16,147	24,549	17,691	20,375	20,460	15,554	15,314	17,286
Allowance for Loan Losses	37,402	38,575	32,717	33,220	35,319	35,808	34,144	34,345
Nonperforming Loans / Loans	0.51%	0.83%	0.58%	0.74%	0.73%	0.54%	0.52%	0.60%
Allowance for Loan Losses / Loans	1.47%	1.47%	1.25%	1.25%	1.29%	1.31%	1.24%	1.23%
Allowance for Loan Losses / Nonperforming Loans	286%	177%	217%	167%	178%	240%	236%	204%
Net Loan Charge-offs	670	4,528	7,210	324	78	817	2,806	986
Net Loan Charge-offs (annualized)/ Average Loans	0.11%	0.70%	1.09%	0.05%	0.01%	0.12%	0.41%	0.14%
Balance Sheet (Period-End)
Assets	$3,250,246	$3,301,896	$3,278,710	$3,338,543	$3,376,560	$3,382,057	$3,361,746	$3,420,757
Earning Assets	3,031,270	3,079,808	3,048,744	3,108,898	3,146,934	3,141,844	3,126,714	3,169,594
Securities	482,453	455,367	431,490	442,607	412,384	398,612	375,151	372,655
Loans, Gross	2,548,817	2,624,441	2,617,254	2,666,291	2,734,550	2,743,232	2,751,564	2,796,939
Total Deposits	2,470,151	2,496,909	2,536,092	2,565,306	2,576,887	2,624,495	2,620,176	2,621,825
Non-Interest Bearing Deposits	417,315	442,203	429,547	448,453	445,176	449,623	452,140	462,387
NOW, Money Market & Savings	1,136,810	1,169,278	1,201,254	1,195,640	1,209,702	1,237,280	1,234,494	1,243,061
CD's $100,000 and over	200,055	203,966	249,070	261,646	259,390	258,311	250,011	249,643
Other Time Deposits	715,972	681,462	656,221	659,567	662,619	679,281	683,531	666,734
Short-term borrowings	204,487	234,232	162,351	188,021	169,552	144,342	125,809	180,258
Long-term Debt	171,635	186,427	186,217	196,941	246,715	246,487	236,255	226,021
Shareholder's Equity	349,896	337,598	335,011	339,051	327,710	317,707	327,863	337,092
Balance Sheet (Daily Averages)
Assets	$3,205,843	$3,282,972	$3,285,807	$3,270,151	$3,328,405	$3,358,606	$3,352,830	$3,359,832
Earning Assets	2,999,871	3,070,286	3,070,573	3,055,082	3,108,328	3,134,253	3,127,103	3,137,967
Securities	485,935	469,472	453,128	428,556	420,645	403,351	384,405	370,100
Loans, Gross	2,513,936	2,600,814	2,617,445	2,619,029	2,687,564	2,730,618	2,740,458	2,767,615
Deposits	2,424,946	2,494,841	2,518,761	2,572,123	2,550,819	2,578,878	2,623,770	2,620,448
Shareholder's Equity	356,341	346,351	343,176	342,303	339,168	325,966	324,124	333,880

S&T Bancorp, Inc. Consolidated Selected Financial Data December 31, 2007 (Dollars in thousands, except per share data)										Page 3 of 3
	2006				2007				Year-to-date
	March 1Q	June 2Q	September 3Q	December 4Q	March 1Q	June 2Q	September 3Q	December 4Q	December 2007	December 2006
Profitability Ratios (annualized)
Return on Average Assets	1.80%	1.37%	1.77%	1.60%	1.62%	1.66%	1.85%	1.57%	1.68%	1.64%
Return on Average Shareholder's Equity	16.20%	13.01%	16.95%	15.30%	15.90%	17.07%	19.17%	15.82%	16.97%	15.37%
Yield on Earning Assets (FTE)	6.62%	6.81%	7.00%	7.02%	7.06%	7.10%	7.10%	6.93%	7.05%	6.87%
Cost of Interest Bearing Funds	3.37%	3.71%	3.90%	4.01%	4.00%	4.01%	3.99%	3.70%	3.92%	3.75%
Net Interest Margin (FTE)(4)	3.94%	3.82%	3.87%	3.80%	3.84%	3.86%	3.86%	3.94%	3.87%	3.86%
Efficiency Ratio (FTE)(1)	44.79%	45.06%	42.22%	49.70%	46.40%	46.06%	44.28%	49.38%	46.52%	45.42%
Capitalization Ratios
Dividends Paid to Net Income	53.53%	67.41%	50.81%	56.06%	57.21%	53.92%	46.86%	55.31%
Shareholder's Equity to Assets (Period End)	10.77%	10.22%	10.22%	10.16%	9.71%	9.39%	9.75%	9.85%
Leverage Ratio (2)	9.28%	8.75%	8.57%	8.82%	8.38%	8.06%	8.38%	8.57%
Risk Based Capital - Tier I (3)	10.30%	9.78%	9.65%	9.66%	9.23%	8.94%	9.35%	9.50%
Risk Based Capital - Tier II (3)	11.86%	11.32%	11.94%	11.91%	11.45%	11.15%	11.50%	11.64%
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. (4) Net interest income, on a fully taxable equivalent basis, annualized divided by quarter-to-date average earning assets.