|         |                                                                                                                                                                                                                                                                         |
|---------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| • | Third quarter net income was $21.3 million (or $0.22 diluted earnings per share), the highest level of quarterly net income in the history of the company.  Core net income (adjusted for acquisition expenses) was $21.2 million, or $0.22 diluted earnings per share. |

|         |                                                                                                                                                                     |
|---------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ◦ | Core earnings per share increased $0.01 from the previous quarter and $0.03 from the prior year quarter; an increase of 14.9% (annualized) and 15.8%, respectively. |

|         |                                                                                |
|---------|--------------------------------------------------------------------------------|
| • | Total revenue grew $2.7 million, or 13.7% (annualized) from the prior quarter. |

|         |                                                                                                 |
|---------|-------------------------------------------------------------------------------------------------|
| ◦ | Net interest income (FTE) increased $1.8 million, or 12.0% (annualized) from the prior quarter. |

|         |                                                                                     |
|---------|-------------------------------------------------------------------------------------|
| ◦ | Noninterest income grew $0.9 million, or 18.8% (annualized) from the prior quarter. |

|         |                                                                                                                                                                                                                   |
|---------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| • | Total noninterest expense decreased $10.9 million from the previous quarter, primarily due to $9.9 million of one-time merger expenses related to the acquisition of DCB Financial Corp. in the previous quarter. |

|         |                                                                                                                                                                                                       |
|---------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| • | Provision for credit losses totaled $1.2 million, an increase of $2.8 million as compared to the prior quarter, in part due to the recognition of $3.1 million in recoveries in the previous quarter. |

|         |                                                                                                   |
|---------|---------------------------------------------------------------------------------------------------|
| • | The annualized return on average tangible common equity for the third quarter of 2017 was 14.04%. |

|         |                                                                                             |
|---------|---------------------------------------------------------------------------------------------|
| • | The net interest margin improved seven basis points to 3.61% compared to the prior quarter. |

|         |                                                                                                                                       |
|---------|---------------------------------------------------------------------------------------------------------------------------------------|
| • | The core return on average assets (adjusted for acquisition expenses) improved 3 basis points to 1.14% compared to the prior quarter. |

|         |                                                                                                                             |
|---------|-----------------------------------------------------------------------------------------------------------------------------|
| • | The core efficiency ratio improved to 57.96%, driven by expanding revenue streams and well-controlled operational expenses. |

|         |                                                                                            |
|---------|--------------------------------------------------------------------------------------------|
| • | Tangible book value per share grew $0.16, or 10.3% (annualized) from the previous quarter. |

----

|                                               |
|-----------------------------------------------|
|                                               |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| (dollars in thousands,                        | For the Three Months Ended |   | For the Nine Months Ended |
| except per share data)                        | September 30, |   | June 30, |   | September 30, |   | September 30, |   | September 30, |
|                                          | 2017 |   | 2017 |   | 2016 |   | 2017 |   | 2016 |
| Reported Results                              |   |   |   |   |   |   |   |   |   |
| Net income                                    | $21,283 |   | $14,013 |   | $17,196 |   | $51,184 |   | $41,676 |
| Diluted earnings per share                    | $0.22 |   | $0.14 |   | $0.19 |   | $0.54 |   | $0.47 |
| Return on average assets                      | 1.14 | % |   | 0.76 | % |   | 1.02 | % |   | 0.96 | % |   | 0.83 | % |
| Return on average equity                      | 9.50 | % |   | 6.44 | % |   | 9.14 | % |   | 8.15 | % |   | 7.53 | % |
|                                          |   |   |   |   |   |   |   |   |   |
| Core Operating Results (non-GAAP)(1)          |   |   |   |   |   |   |   |   |   |
| Core net income                               | $21,238 |   | $20,428 |   | $17,273 |   | $57,952 |   | $41,909 |
| Core diluted earnings per share               | $0.22 |   | $0.21 |   | $0.19 |   | $0.61 |   | $0.47 |
| Core return on average assets                 | 1.14 | % |   | 1.11 | % |   | 1.03 | % |   | 1.08 | % |   | 0.84 | % |
| Return on average tangible common equity      | 14.04 | % |   | 9.74 | % |   | 11.77 | % |   | 11.89 | % |   | 9.75 | % |
| Core return on average tangible common equity | 14.01 | % |   | 14.03 | % |   | 11.82 | % |   | 13.42 | % |   | 9.80 | % |
| Core efficiency ratio                         | 57.96 | % |   | 60.19 | % |   | 56.65 | % |   | 59.49 | % |   | 57.67 | % |
| Net interest margin (FTE)                     | 3.61 | % |   | 3.54 | % |   | 3.29 | % |   | 3.55 | % |   | 3.28 | % |

|           |                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|-----------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (1)  | Core operating results are a non-GAAP measure used by management to measure performance in operating the business that management believes enhances investors' ability to better understand the underlying business performance and trends related to core business activities. See supplemental information included with the release for "non-GAAP Financial Measures and Key Performance Indicators" and additional information. |

----

----

----

----

----

|                                                                                                       |
|-------------------------------------------------------------------------------------------------------|
|                                                                                                       |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| FIRST COMMONWEALTH FINANCIAL CORPORATION                                                              |   |   |   |   |   |   |
| CONSOLIDATED FINANCIAL DATA                                                                           |   |   |   |   |   |   |   |   |   |
| Unaudited                                                                                             |   |   |   |   |   |   |   |   |   |
| (dollars in thousands, except per share data)                                                         |   |   |   |   |   |   |   |   |   |
|                                                                                                  | For the Three Months Ended |   | For the Nine Months Ended |
|                                                                                                  | September 30, |   | June 30, |   | September 30, |   | September 30, |   | September 30, |
|                                                                                                  | 2017 |   | 2017 |   | 2016 |   | 2017 |   | 2016 |
| SUMMARY RESULTS OF OPERATIONS                                                                         |   |   |   |   |   |   |   |   |   |
| Net interest income (FTE) (1)                                                                         | $ | 60,667 |  |   | $ | 58,896 |  |   | $ | 50,569 |  |   | $ | 172,381 |  |   | $ | 150,352 |  |
| Provision for credit losses                                                                           | 1,214 |  |   | (1,609 | ) |   | 3,408 |  |   | 2,834 |  |   | 20,306 |  |
| Noninterest income                                                                                    | 19,790 |  |   | 18,904 |  |   | 16,994 |  |   | 55,626 |  |   | 46,267 |  |
| Noninterest expense                                                                                   | 47,361 |  |   | 58,263 |  |   | 38,696 |  |   | 148,389 |  |   | 114,250 |  |
| Net income                                                                                            | 21,283 |  |   | 14,013 |  |   | 17,196 |  |   | 51,184 |  |   | 41,676 |  |
| Core net income (5)                                                                                   | 21,238 |  |   | 20,428 |  |   | 17,273 |  |   | 57,952 |  |   | 41,909 |  |
|                                                                                                  |   |   |   |   |   |   |   |   |   |
| Earnings per common share (diluted)                                                                   | $ | 0.22 |  |   | $ | 0.14 |  |   | $ | 0.19 |  |   | $ | 0.54 |  |   | $ | 0.47 |  |
| Core earnings per common share (diluted) (6)                                                          | $ | 0.22 |  |   | $ | 0.21 |  |   | $ | 0.19 |  |   | $ | 0.61 |  |   | $ | 0.47 |  |
|                                                                                                  |   |   |   |   |   |   |   |   |   |
| KEY FINANCIAL RATIOS                                                                                  |   |   |   |   |   |   |   |   |   |
|                                                                                                  |   |   |   |   |   |   |   |   |   |
| Return on average assets                                                                              | 1.14 | % |   | 0.76 |  % |   | 1.02 | % |   | 0.96 | % |   | 0.83 | % |
| Core return on average assets (7)                                                                     | 1.14 | % |   | 1.11 |  % |   | 1.03 | % |   | 1.08 | % |   | 0.84 | % |
| Return on average shareholders' equity                                                                | 9.50 | % |   | 6.44 |  % |   | 9.14 | % |   | 8.15 | % |   | 7.53 | % |
| Return on average tangible common equity (8)                                                     | 14.04 | % |   | 9.74 |  % |   | 11.77 | % |   | 11.89 | % |   | 9.75 | % |
| Core return on average tangible common equity (9)                                                | 14.01 | % |   | 14.03 |  % |   | 11.82 | % |   | 13.42 | % |   | 9.80 | % |
| Core efficiency ratio (2)(10)                                                                         | 57.96 | % |   | 60.19 |  % |   | 56.65 | % |   | 59.49 | % |   | 57.67 | % |
| Net interest margin (FTE) (1)                                                                         | 3.61 | % |   | 3.54 |  % |   | 3.29 | % |   | 3.55 | % |   | 3.28 | % |
|                                                                                                  |   |   |   |   |   |   |   |   |   |
| Book value per common share                                                                           | $ | 9.17 |  |   | $ | 9.02 |  |   | $ | 8.45 |  |   |   |   |   |
| Tangible book value per common share (11)                                                             | 6.39 |  |   | 6.23 |  |   | 6.59 |  |   |   |   |   |
| Market value per common share                                                                         | 14.13 |  |   | 12.68 |  |   | 10.09 |  |   |   |   |   |
| Cash dividends declared per common share                                                              | 0.08 |  |   | 0.08 |  |   | 0.07 |  |   | $ | 0.24 |  |   | $ | 0.21 |  |
|                                                                                                  |   |   |   |   |   |   |   |   |   |
| ASSET QUALITY RATIOS                                                                                  |   |   |   |   |   |   |   |   |   |
| Nonperforming loans as a percent of end-of-period loans (3)                                      | 0.72 | % |   | 0.75 |  % |   | 1.13 | % |   |   |   |   |
| Nonperforming assets as a percent of total assets (3)                                                 | 0.61 | % |   | 0.63 |  % |   | 0.94 | % |   |   |   |   |
| Net charge-offs as a percent of average loans (annualized)                                            | 0.08 | % |   | (0.07 | )% |   | 0.70 | % |   |   |   |   |
| Allowance for credit losses as a percent of nonperforming loans (4)                                   | 124.16 | % |   | 119.61 |  % |   | 99.83 | % |   |   |   |   |
| Allowance for credit losses as a percent of end-of-period loans (4)                                   | 0.90 | % |   | 0.89 |  % |   | 1.13 | % |   |   |   |   |
| Allowance for credit losses (originated loans and leases) as a percent of originated loans and leases | 0.97 | % |   | 0.98 |  % |   | 1.13 | % |   |   |   |   |
|                                                                                                  |   |   |   |   |   |   |   |   |   |
| CAPITAL RATIOS                                                                                        |   |   |   |   |   |   |   |   |   |
| Shareholders' equity as a percent of total assets                                                     | 12.1 | % |   | 11.9 |  % |   | 11.3 | % |   |   |   |   |
| Tangible common equity as a percent of tangible assets (12)                                           | 8.8 | % |   | 8.5 |  % |   | 9.0 | % |   |   |   |   |
| Leverage Ratio                                                                                        | 9.8 | % |   | 9.6 |  % |   | 10.0 | % |   |   |   |   |
| Risk Based Capital - Tier I                                                                           | 11.6 | % |   | 11.3 |  % |   | 11.6 | % |   |   |   |   |
| Risk Based Capital - Total                                                                            | 12.5 | % |   | 12.2 |  % |   | 12.6 | % |   |   |   |   |
| Common Equity - Tier I                                                                                | 10.4 | % |   | 10.2 |  % |   | 10.3 | % |   |   |   |   |

----

|                                                              |
|--------------------------------------------------------------|
|                                                              |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| FIRST COMMONWEALTH FINANCIAL CORPORATION                     |   |   |   |   |
| CONSOLIDATED FINANCIAL DATA                                  |   |   |   |   |   |   |
| Unaudited                                                    |   |   |   |   |   |   |
| (dollars in thousands, except per share data)                |   |   |   |   |   |   |
|                                                         | For the Three Months Ended |   | For the Nine Months Ended |
|                                                         | September 30, | June 30, | September 30, |   | September 30, | September 30, |
|                                                         | 2017 | 2017 | 2016 |   | 2017 | 2016 |
| INCOME STATEMENT                                             |   |   |   |   |   |   |
|    Interest income                            | $ | 65,411 |  | $ | 63,120 |  | $ | 54,479 |  |   | $ | 184,710 |  | $ | 161,682 |  |
|    Interest expense                           | 5,848 |  | 5,303 |  | 4,861 |  |   | 15,500 |  | 14,166 |  |
| Net Interest Income                                          | 59,563 |  | 57,817 |  | 49,618 |  |   | 169,210 |  | 147,516 |  |
|    Taxable equivalent adjustment (1)          | 1,104 |  | 1,079 |  | 951 |  |   | 3,171 |  | 2,836 |  |
| Net Interest Income  (FTE)                                   | 60,667 |  | 58,896 |  | 50,569 |  |   | 172,381 |  | 150,352 |  |
|    Provision for credit losses                | 1,214 |  | (1,609 | ) | 3,408 |  |   | 2,834 |  | 20,306 |  |
| Net Interest Income after Provision for Credit Losses (FTE)  | 59,453 |  | 60,505 |  | 47,161 |  |   | 169,547 |  | 130,046 |  |
|                                                         |   |   |   |   |   |   |
|    Net securities gains (losses)              | 92 |  | (49 | ) | — |  |   | 695 |  | 28 |  |
|    Trust income                               | 2,147 |  | 1,711 |  | 1,523 |  |   | 5,275 |  | 4,098 |  |
|    Service charges on deposit accounts        | 4,803 |  | 4,736 |  | 3,975 |  |   | 13,858 |  | 11,528 |  |
|    Insurance and retail brokerage commissions | 2,128 |  | 2,442 |  | 2,104 |  |   | 6,652 |  | 6,048 |  |
|    Income from bank owned life insurance      | 1,472 |  | 1,449 |  | 1,350 |  |   | 4,213 |  | 3,957 |  |
|    Gain on sale of mortgage loans             | 1,418 |  | 1,315 |  | 1,235 |  |   | 3,710 |  | 2,850 |  |
|    Gain on sale of other loans and assets     | 503 |  | 457 |  | 387 |  |   | 1,267 |  | 1,048 |  |
|    Card-related interchange income            | 4,780 |  | 4,842 |  | 3,698 |  |   | 13,873 |  | 11,039 |  |
| Derivative mark-to-market                                    | (14 | ) | (37 | ) | 470 |  |   | (49 | ) | (1,075 | ) |
| Swap fee income                                              | 217 |  | 314 |  | 725 |  |   | 458 |  | 1,985 |  |
|    Other income                               | 2,244 |  | 1,724 |  | 1,527 |  |   | 5,674 |  | 4,761 |  |
| Total Noninterest Income                                     | 19,790 |  | 18,904 |  | 16,994 |  |   | 55,626 |  | 46,267 |  |
|                                                         |   |   |   |   |   |   |
|    Salaries and employee benefits             | 26,169 |  | 25,298 |  | 20,647 |  |   | 74,933 |  | 62,212 |  |
|    Net occupancy                              | 3,715 |  | 4,121 |  | 3,176 |  |   | 11,597 |  | 9,843 |  |
|    Furniture and equipment                    | 3,342 |  | 3,323 |  | 2,847 |  |   | 9,753 |  | 8,596 |  |
|    Data processing                            | 2,229 |  | 2,345 |  | 1,832 |  |   | 6,659 |  | 5,379 |  |
|    Pennsylvania shares tax                    | 1,093 |  | 1,161 |  | 914 |  |   | 3,070 |  | 2,764 |  |
|    Advertising and promotion                  | 941 |  | 988 |  | 750 |  |   | 2,735 |  | 1,940 |  |
|    Intangible amortization                    | 844 |  | 846 |  | 67 |  |   | 2,262 |  | 318 |  |
|    Collection and repossession                | 402 |  | 443 |  | 760 |  |   | 1,342 |  | 1,803 |  |
|    Other professional fees and services       | 1,300 |  | 1,096 |  | 1,202 |  |   | 3,355 |  | 2,866 |  |
|    FDIC insurance                             | 696 |  | 977 |  | 1,105 |  |   | 2,466 |  | 3,205 |  |
|    Litigation and operational losses          | 598 |  | 277 |  | 295 |  |   | 1,107 |  | 1,174 |  |
|    Loss on sale or write-down of assets       | 167 |  | 1,220 |  | 188 |  |   | 1,486 |  | 629 |  |
|    Merger and acquisition related             | (69 | ) | 9,870 |  | 118 |  |   | 10,412 |  | 358 |  |
|    Other operating expenses                   | 5,934 |  | 6,298 |  | 4,795 |  |   | 17,212 |  | 13,163 |  |
| Total Noninterest Expense                                    | 47,361 |  | 58,263 |  | 38,696 |  |   | 148,389 |  | 114,250 |  |
|                                                         |   |   |   |   |   |   |
| Income before Income Taxes                                   | 31,882 |  | 21,146 |  | 25,459 |  |   | 76,784 |  | 62,063 |  |
|    Taxable equivalent adjustment (1)          | 1,104 |  | 1,079 |  | 951 |  |   | 3,171 |  | 2,836 |  |
|    Income tax provision                       | 9,495 |  | 6,054 |  | 7,312 |  |   | 22,429 |  | 17,551 |  |
| Net Income                                                   | $ | 21,283 |  | $ | 14,013 |  | $ | 17,196 |  |   | $ | 51,184 |  | $ | 41,676 |  |
|                                                         |   |   |   |   |   |   |
| Shares Outstanding at End of Period                          | 97,475,575 |  | 97,483,067 |  | 88,992,077 |  |   | 97,475,575 |  | 88,992,077 |  |
| Average Shares Outstanding Assuming Dilution                 | 97,457,470 |  | 97,232,288 |  | 88,858,204 |  |   | 94,578,490 |  | 88,843,939 |  |
|                                                         |   |   |   |   |   |   |

----

|                                                                  |
|------------------------------------------------------------------|
|                                                                  |  |  |  |  |  |  |  |  |  |  |  |
| FIRST COMMONWEALTH FINANCIAL CORPORATION                         |   |   |   |
| CONSOLIDATED FINANCIAL DATA                                      |   |   |   |   |   |
| Unaudited                                                        |   |   |   |   |   |
| (dollars in thousands)                                           |   |   |   |   |   |
|                                                             |   |   |   |   |   |
|                                                             | September 30, |   | June 30, |   | September 30, |
|                                                             | 2017 |   | 2017 |   | 2016 |
| BALANCE SHEET (Period End)                                       |   |   |   |   |   |
| Assets                                                           |   |   |   |   |   |
|    Cash and due from banks                        | $ | 98,319 |  |   | $ | 103,602 |  |   | $ | 76,456 |  |
|    Interest-bearing bank deposits                 | 29,709 |  |   | 12,310 |  |   | 5,097 |  |
|    Securities available for sale, at fair value   | 810,946 |  |   | 820,586 |  |   | 867,725 |  |
|    Securities held to maturity, at amortized cost | 436,081 |  |   | 450,886 |  |   | 389,513 |  |
|    Loans held for sale                            | 17,100 |  |   | 9,785 |  |   | 7,855 |  |
|                                                             |   |   |   |   |   |
|      Loans                              | 5,375,847 |  |   | 5,374,782 |  |   | 4,860,652 |  |
|      Allowance for credit losses        | (48,176 | ) |   | (48,067 | ) |   | (54,734 | ) |
|    Net loans                                      | 5,327,671 |  |   | 5,326,715 |  |   | 4,805,918 |  |
|                                                             |   |   |   |   |   |
|    Goodwill and other intangibles                 | 271,347 |  |   | 272,030 |  |   | 165,349 |  |
|    Other assets                                   | 393,166 |  |   | 387,472 |  |   | 348,570 |  |
| Total Assets                                                     | $ | 7,384,339 |  |   | $ | 7,383,386 |  |   | $ | 6,666,483 |  |
|                                                             |   |   |   |   |   |
| Liabilities and Shareholders' Equity                             |   |   |   |   |   |
|    Noninterest-bearing demand deposits            | $ | 1,416,814 |  |   | $ | 1,404,081 |  |   | $ | 1,241,627 |  |
|                                                             |   |   |   |   |   |
|      Interest-bearing demand deposits   | 264,731 |  |   | 237,801 |  |   | 87,507 |  |
|      Savings deposits                   | 3,290,978 |  |   | 3,330,351 |  |   | 2,552,754 |  |
|      Time deposits                      | 582,534 |  |   | 560,902 |  |   | 577,092 |  |
|    Total interest-bearing deposits                | 4,138,243 |  |   | 4,129,054 |  |   | 3,217,353 |  |
|                                                             |   |   |   |   |   |
|    Total deposits                                 | 5,555,057 |  |   | 5,533,135 |  |   | 4,458,980 |  |
|                                                             |   |   |   |   |   |
|      Short-term borrowings              | 805,825 |  |   | 846,137 |  |   | 1,330,327 |  |
|      Long-term borrowings               | 88,155 |  |   | 88,389 |  |   | 81,059 |  |
|    Total borrowings                               | 893,980 |  |   | 934,526 |  |   | 1,411,386 |  |
|                                                             |   |   |   |   |   |
|    Other liabilities                              | 41,001 |  |   | 36,260 |  |   | 44,330 |  |
|    Shareholders' equity                           | 894,301 |  |   | 879,465 |  |   | 751,787 |  |
| Total Liabilities and Shareholders' Equity                       | $ | 7,384,339 |  |   | $ | 7,383,386 |  |   | $ | 6,666,483 |  |

----

|                                          |
|------------------------------------------|
|                                          |
| FIRST COMMONWEALTH FINANCIAL CORPORATION |
| CONSOLIDATED FINANCIAL DATA              |
| Unaudited                                |
| (dollars in thousands)                   |

|                                                         |
|---------------------------------------------------------|
|                                                         |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|                                                    | For the Three Months Ended |   | For the Nine Months Ended |
|                                                    | September 30, | Yield/ | June 30, | Yield/ | September 30, | Yield/ |   | September 30, | Yield/ | September 30, | Yield/ |
|                                                    | 2017 | Rate | 2017 | Rate | 2016 | Rate |   | 2017 | Rate | 2016 | Rate |
| NET INTEREST MARGIN                                     |   |   |   |   |   |   |   |   |   |
|                                                    |   |   |   |   |   |   |   |   |   |   |   |
| Assets                                                  |   |   |   |   |   |   |   |   |   |   |   |
| Loans (FTE)(1)(3)                                       | $ | 5,398,815 |  | 4.28 | % | $ | 5,358,089 |  | 4.18 | % | $ | 4,839,206 |  | 3.90 | % |   | $ | 5,226,320 |  | 4.17 | % | $ | 4,806,061 |  | 3.88 | % |
| Securities and interest bearing bank deposits (FTE) (1) | 1,265,416 |  | 2.60 | % | 1,312,814 |  | 2.57 | % | 1,284,493 |  | 2.49 | % |   | 1,263,614 |  | 2.63 | % | 1,312,146 |  | 2.53 | % |
| Total Interest-Earning Assets (FTE) (1)                 | 6,664,231 |  | 3.96 | % | 6,670,903 |  | 3.86 | % | 6,123,699 |  | 3.60 | % |   | 6,489,934 |  | 3.87 | % | 6,118,207 |  | 3.59 | % |
| Noninterest-earning assets                              | 713,142 |  |   | 710,913 |  |   | 555,977 |  |   |   | 668,517 |  |   | 549,969 |  |   |
| Total Assets                                            | $ | 7,377,373 |  |   | $ | 7,381,816 |  |   | $ | 6,679,676 |  |   |   | $ | 7,158,451 |  |   | $ | 6,668,176 |  |   |
|                                                    |   |   |   |   |   |   |   |   |   |   |   |
| Liabilities and Shareholders' Equity                    |   |   |   |   |   |   |   |   |   |   |   |
| Interest-bearing demand and savings deposits            | $ | 3,576,365 |  | 0.18 | % | $ | 3,513,479 |  | 0.15 | % | $ | 2,652,562 |  | 0.18 | % |   | $ | 3,398,428 |  | 0.15 | % | $ | 2,622,574 |  | 0.15 | % |
| Time deposits                                           | 562,868 |  | 0.64 | % | 580,874 |  | 0.60 | % | 586,470 |  | 0.65 | % |   | 572,128 |  | 0.62 | % | 586,638 |  | 0.63 | % |
| Short-term borrowings                                   | 829,954 |  | 1.16 | % | 902,547 |  | 0.98 | % | 1,391,766 |  | 0.57 | % |   | 887,463 |  | 0.96 | % | 1,447,207 |  | 0.58 | % |
| Long-term borrowings                                    | 88,256 |  | 4.18 | % | 88,351 |  | 4.08 | % | 81,128 |  | 3.67 | % |   | 85,843 |  | 4.07 | % | 81,268 |  | 3.62 | % |
| Total Interest-Bearing Liabilities                      | 5,057,443 |  | 0.46 | % | 5,085,251 |  | 0.42 | % | 4,711,926 |  | 0.41 | % |   | 4,943,862 |  | 0.42 | % | 4,737,687 |  | 0.40 | % |
| Noninterest-bearing deposits                            | 1,393,024 |  |   | 1,386,240 |  |   | 1,153,945 |  |   |   | 1,337,328 |  |   | 1,129,511 |  |   |
| Other liabilities                                       | 38,125 |  |   | 38,092 |  |   | 65,727 |  |   |   | 37,415 |  |   | 61,631 |  |   |
| Shareholders' equity                                    | 888,781 |  |   | 872,233 |  |   | 748,078 |  |   |   | 839,846 |  |   | 739,347 |  |   |
| Total Noninterest-Bearing Funding Sources               | 2,319,930 |  |   | 2,296,565 |  |   | 1,967,750 |  |   |   | 2,214,589 |  |   | 1,930,489 |  |   |
| Total Liabilities and Shareholders' Equity              | $ | 7,377,373 |  |   | $ | 7,381,816 |  |   | $ | 6,679,676 |  |   |   | $ | 7,158,451 |  |   | $ | 6,668,176 |  |   |
|                                                    |   |   |   |   |   |   |   |   |   |   |   |
| Net Interest Margin (FTE) (annualized)(1)               |   | 3.61 | % |   | 3.54 | % |   | 3.29 | % |   |   | 3.55 | % |   | 3.28 | % |

----

|                                                                          |
|--------------------------------------------------------------------------|
|                                                                          |  |  |  |  |  |  |  |  |  |
| FIRST COMMONWEALTH FINANCIAL CORPORATION                                 |   |
| CONSOLIDATED FINANCIAL DATA                                              |   |   |   |
| Unaudited                                                                |   |   |   |
| (dollars in thousands)                                                   |   |   |   |
|                                                                     | September 30, | June 30, | September 30, |
|                                                                     | 2017 | 2017 | 2016 |
| Loan Portfolio Detail                                                    |   |   |   |
| Commercial Loan Portfolio:                                               |   |   |   |
| Commercial, financial, agricultural and other                            | $ | 1,154,225 |  | $ | 1,199,800 |  | $ | 1,207,447 |  |
| Commercial real estate                                                   | 1,990,264 |  | 1,963,001 |  | 1,683,015 |  |
| Real estate construction                                                 | 259,129 |  | 249,255 |  | 229,375 |  |
| Total Commercial                                                         | 3,403,618 |  | 3,412,056 |  | 3,119,837 |  |
|                                                                     |   |   |   |
| Consumer Loan Portfolio:                                                 |   |   |   |
| Closed-end mortgages                                                     | 893,809 |  | 886,335 |  | 719,049 |  |
| Home equity lines of credit                                              | 529,613 |  | 530,591 |  | 466,710 |  |
| Total Real Estate - Consumer                                             | 1,423,422 |  | 1,416,926 |  | 1,185,759 |  |
|                                                                     |   |   |   |
| Auto loans                                                               | 454,320 |  | 450,561 |  | 467,222 |  |
| Direct installment                                                       | 24,995 |  | 24,501 |  | 24,578 |  |
| Personal lines of credit                                                 | 58,880 |  | 59,450 |  | 50,086 |  |
| Student loans                                                            | 10,612 |  | 11,288 |  | 13,170 |  |
| Total Other Consumer                                                     | 548,807 |  | 545,800 |  | 555,056 |  |
| Total Consumer Portfolio                                                 | 1,972,229 |  | 1,962,726 |  | 1,740,815 |  |
| Total Portfolio Loans                                                    | 5,375,847 |  | 5,374,782 |  | 4,860,652 |  |
| Loans held for sale                                                      | 17,100 |  | 9,785 |  | 7,855 |  |
| Total Loans                                                              | $ | 5,392,947 |  | $ | 5,384,567 |  | $ | 4,868,507 |  |
|                                                                     |   |   |   |
|                                                                     |   |   |   |
|                                                                     | September 30, | June 30, | September 30, |
|                                                                     | 2017 | 2017 | 2016 |
| ASSET QUALITY DETAIL                                                     |   |   |   |
| Nonperforming Loans:                                                     |   |   |   |
| Loans on nonaccrual basis                                                | $ | 14,943 |  | $ | 15,553 |  | $ | 27,817 |  |
| Troubled debt restructured loans on nonaccrual basis                     | 11,408 |  | 11,868 |  | 12,723 |  |
| Troubled debt restructured loans on accrual basis                        | 12,451 |  | 12,764 |  | 14,286 |  |
|        Total Nonperforming Loans      | $ | 38,802 |  | $ | 40,185 |  | $ | 54,826 |  |
| Other real estate owned ("OREO")                                         | 5,701 |  | 5,964 |  | 7,686 |  |
| Repossessions ("Repos")                                                  | 200 |  | 208 |  | 310 |  |
|        Total Nonperforming Assets     | $ | 44,703 |  | $ | 46,357 |  | $ | 62,822 |  |
| Loans past due in excess of 90 days and still accruing                   | 1,332 |  | 1,898 |  | 2,343 |  |
| Classified loans                                                         | 65,948 |  | 69,748 |  | 97,259 |  |
| Criticized loans                                                         | 125,034 |  | 160,220 |  | 137,264 |  |
|                                                                     |   |   |   |
| Nonperforming assets as a percentage of total loans, plus OREO and Repos | 0.83 | % | 0.86 | % | 1.29 | % |
| Allowance for credit losses                                              | $ | 48,176 |  | $ | 48,067 |  | $ | 54,734 |  |
|                                                                     |   |   |   |

----

|                                          |
|------------------------------------------|
|                                          |
| FIRST COMMONWEALTH FINANCIAL CORPORATION |
| CONSOLIDATED FINANCIAL DATA              |
| Unaudited                                |
| (dollars in thousands)                   |

|                                                                                         |
|-----------------------------------------------------------------------------------------|
|                                                                                         |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|                                                                                    | For the Three Months Ended |   | For the Nine Months Ended |
|                                                                                    | September 30, | June 30, | September 30, |   | September 30, | September 30, |
|                                                                                    | 2017 | 2017 | 2016 |   | 2017 | 2016 |
| Net Charge-offs (Recoveries):                                                           |   |   |   |   |   |   |
|        Commercial, financial, agricultural and other | $ | 315 |  | $ | (1,816 | ) | $ | 7,100 |  |   | $ | 1,956 |  | $ | 13,047 |  |
|        Real estate construction                      | (373 | ) | (43 | ) | — |  |   | (470 | ) | (227 | ) |
|        Commercial real estate                        | (25 | ) | (4 | ) | (10 | ) |   | (115 | ) | (385 | ) |
|        Residential real estate                       | 276 |  | 55 |  | 227 |  |   | 676 |  | 569 |  |
|        Loans to individuals                          | 912 |  | 808 |  | 1,178 |  |   | 2,796 |  | 3,380 |  |
| Net Charge-offs                                                                         | $ | 1,105 |  | $ | (1,000 | ) | $ | 8,495 |  |   | $ | 4,843 |  | $ | 16,384 |  |
|                                                                                    |   |   |   |   |   |   |
| Net charge-offs as a percentage of average loans outstanding (annualized)               | 0.08 | % | (0.07 | )% | 0.70 | % |   | 0.12 | % | 0.46 | % |
| Provision for credit losses as a percentage of net charge-offs                          | 109.86 | % | 160.90 |  % | 40.12 | % |   | 58.52 | % | 123.94 | % |
| Provision for credit losses                                                             | $ | 1,214 |  | $ | (1,609 | ) | $ | 3,408 |  |   | $ | 2,834 |  | $ | 20,306 |  |

|                                                                                                                                                                                                                                                                                                                                                         |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                                                                                                                                                                                                                         |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| DEFINITIONS AND RECONCILIATION OF NON-GAAP MEASURES                                                                                                                                                                                                                                                                                                     |   |   |   |
|                                                                                                                                                                                                                                                                                                                                                    |   |   |   |   |   |   |
| (1) Net interest income has been computed on a fully taxable equivalent basis ("FTE") using the 35% federal income tax statutory rate.                                                                                                                                                                                                             |
| (2) Core efficiency ratio excludes from total revenue the impact of derivative mark-to-market and excludes from "total noninterest expense" the amortization of intangibles, unfunded commitment expense and any other unusual items deemed by management to not be related to normal operations, such as merger, acquisition and severance costs. |
| (3) Includes held for sale loans.                                                                                                                                                                                                                                                                                                                  |
| (4) Excludes held for sale loans.                                                                                                                                                                                                                                                                                                                  |   |   |
|                                                                                                                                                                                                                                                                                                                                                    |   |   |   |   |   |   |
|                                                                                                                                                                                                                                                                                                                                                    | For the Three Months Ended |   | For the Nine Months Ended |
|                                                                                                                                                                                                                                                                                                                                                    | September 30, | June 30, | September 30, |   | September 30, | September 30, |
|                                                                                                                                                                                                                                                                                                                                                    | 2017 | 2017 | 2016 |   | 2017 | 2016 |
|                                                                                                                                                                                                                                                                                                                                                    |   |   |   |   |   |   |
| Net Income                                                                                                                                                                                                                                                                                                                                              | $ | 21,283 |  | $ | 14,013 |  | $ | 17,196 |  |   | $ | 51,184 |  | $ | 41,676 |  |
| Intangible amortization                                                                                                                                                                                                                                                                                                                                 | 844 |  | 846 |  | 67 |  |   | 2,262 |  | 318 |  |
| Tax benefit of amortization of intangibles                                                                                                                                                                                                                                                                                                              | (295 | ) | (296 | ) | (23 | ) |   | (792 | ) | (111 | ) |
| Net Income, adjusted for tax affected amortization of intangibles                                                                                                                                                                                                                                                                                       | 21,832 |  | 14,563 |  | 17,240 |  |   | 52,654 |  | 41,883 |  |
|                                                                                                                                                                                                                                                                                                                                                    |   |   |   |   |   |   |
| Average Tangible Equity:                                                                                                                                                                                                                                                                                                                                |   |   |   |   |   |   |
|    Total shareholders' equity                                                                                                                                                                                                                                                                                                            | $ | 888,781 |  | $ | 872,233 |  | $ | 748,078 |  |   | $ | 839,846 |  | $ | 739,347 |  |
|    Less: intangible assets                                                                                                                                                                                                                                                                                                               | 271,670 |  | 272,488 |  | 165,449 |  |   | 247,679 |  | 165,547 |  |
|        Tangible Equity                                                                                                                                                                                                                                                                                               | 617,111 |  | 599,745 |  | 582,629 |  |   | 592,167 |  | 573,800 |  |
|    Less: preferred stock                                                                                                                                                                                                                                                                                                                 | — |  | — |  | — |  |   | — |  | — |  |
|        Tangible Common Equity                                                                                                                                                                                                                                                                                        | $ | 617,111 |  | $ | 599,745 |  | $ | 582,629 |  |   | $ | 592,167 |  | $ | 573,800 |  |
|                                                                                                                                                                                                                                                                                                                                                    |   |   |   |   |   |   |
| (8)Return on Average Tangible Common Equity                                                                                                                                                                                                                                                                                                             | 14.04 | % | 9.74 | % | 11.77 | % |   | 11.89 | % | 9.75 | % |
|                                                                                                                                                                                                                                                                                                                                                    |   |   |   |   |   |   |

----

|                                               |
|-----------------------------------------------|
|                                               |
| FIRST COMMONWEALTH FINANCIAL CORPORATION      |
| CONSOLIDATED FINANCIAL DATA                   |
| Unaudited                                     |
| (dollars in thousands, except per share data) |

|                                                                        |
|------------------------------------------------------------------------|
|                                                                        |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| DEFINITIONS AND RECONCILIATION OF NON-GAAP MEASURES                    |   |   |   |   |   |
|                                                              |   |   |
|                                                                   | For the Three Months Ended |   | For the Nine Months Ended |
|                                                                   | September 30, | June 30, | September 30, |   | September 30, | September 30, |
|                                                                   | 2017 | 2017 | 2016 |   | 2017 | 2016 |
|                                                                   |   |   |   |   |   |   |
| Core Net Income:                                                       |   |   |   |   |   |   |
| Total Net Income                                                       | $ | 21,283 |  | $ | 14,013 |  | $ | 17,196 |  |   | $ | 51,184 |  | $ | 41,676 |  |
| Merger & Acquisition related expenses                              | (69 | ) | 9,870 |  | 118 |  |   | 10,412 |  | 358 |  |
| Tax benefit of merger & acquisition related expenses               | 24 |  | (3,455 | ) | (41 | ) |   | (3,644 | ) | (125 | ) |
| (5) Core net income                                                    | 21,238 |  | 20,428 |  | 17,273 |  |   | 57,952 |  | 41,909 |  |
| Average Shares Outstanding Assuming Dilution                           | 97,457,470 |  | 97,232,288 |  | 88,858,204 |  |   | 94,578,490 |  | 88,843,939 |  |
| (6) Core Earnings per common share (diluted)                      | $ | 0.22 |  | $ | 0.21 |  | $ | 0.19 |  |   | $ | 0.61 |  | $ | 0.47 |  |
|                                                                   |   |   |   |   |   |   |
| Intangible amortization                                                | 844 |  | 846 |  | 67 |  |   | 2,262 |  | 318 |  |
| Tax benefit of amortization of intangibles                             | (295 | ) | (296 | ) | (23 | ) |   | (792 | ) | (111 | ) |
| Core Net Income, adjusted for tax affected amortization of intangibles | $ | 21,787 |  | $ | 20,978 |  | $ | 17,317 |  |   | $ | 59,422 |  | $ | 42,116 |  |
|                                                                   |   |   |   |   |   |   |
| (9) Core Return on Average Tangible Common Equity                 | 14.01 | % | 14.03 | % | 11.82 | % |   | 13.42 | % | 9.80 | % |
|                                                                   |   |   |   |   |   |   |
|                                                                   |   |   |   |   |   |   |
|                                                                   | For the Three Months Ended |   | For the Nine Months Ended |
|                                                                   | September 30, | June 30, | September 30, |   | September 30, | September 30, |
|                                                                   | 2017 | 2017 | 2016 |   | 2017 | 2016 |
| Core Return on Average Assets:                                         |   |   |   |   |   |   |
| Total Net Income                                                       | $ | 21,283 |  | $ | 14,013 |  | $ | 17,196 |  |   | $ | 51,184 |  | $ | 41,676 |  |
| Total Average Assets                                                   | 7,377,373 |  | 7,381,816 |  | 6,679,676 |  |   | 7,158,451 |  | 6,668,176 |  |
| Return on Average Assets                                               | 1.14 | % | 0.76 | % | 1.02 | % |   | 0.96 | % | 0.83 | % |
|                                                                   |   |   |   |   |   |   |
| Core Net Income (5)                                                    | $ | 21,238 |  | $ | 20,428 |  | $ | 17,273 |  |   | $ | 57,952 |  | $ | 41,909 |  |
| Total Average Assets                                                   | 7,377,373 |  | 7,381,816 |  | 6,679,676 |  |   | 7,158,451 |  | 6,668,176 |  |
| (7) Core Return on Average Assets                                      | 1.14 | % | 1.11 | % | 1.03 | % |   | 1.08 | % | 0.84 | % |

----

|                                          |
|------------------------------------------|
|                                          |
| FIRST COMMONWEALTH FINANCIAL CORPORATION |
| CONSOLIDATED FINANCIAL DATA              |
| Unaudited                                |
| (dollars in thousands)                   |

|                                                                                                                                                                                                                                      |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                                                                                                      |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| DEFINITIONS AND RECONCILIATION OF NON-GAAP MEASURES                                                                                                                                                                                  |   |   |   |   |   |
|                                                                                                                                                                                                                                 |   |   |   |   |   |   |
|                                                                                                                                                                                                                                 | For the Three Months Ended |   | For the Nine Months Ended |
|                                                                                                                                                                                                                                 | September 30, | June 30, | September 30, |   | September 30, | September 30, |
|                                                                                                                                                                                                                                 | 2017 | 2017 | 2016 |   | 2017 | 2016 |
| Core Efficiency Ratio:                                                                                                                                                                                                               |   |   |   |   |   |   |
| Total Noninterest Expense                                                                                                                                                                                                            | $ | 47,361 |  | $ | 58,263 |  | $ | 38,696 |  |   | $ | 148,389 |  | $ | 114,250 |  |
| Adjustments to Noninterest Expense:                                                                                                                                                                                                  |   |   |   |   |   |   |
| Unfunded commitment reserve                                                                                                                                                                                                          | (1 | ) | 664 |  | 503 |  |   | 451 |  | (412 | ) |
| Intangible amortization                                                                                                                                                                                                              | 844 |  | 846 |  | 67 |  |   | 2,262 |  | 318 |  |
| Merger and acquisition related                                                                                                                                                                                                       | (69 | ) | 9,870 |  | 118 |  |   | 10,412 |  | 358 |  |
| Noninterest Expense - Core                                                                                                                                                                                                           | $ | 46,587 |  | $ | 46,883 |  | $ | 38,008 |  |   | $ | 135,264 |  | $ | 113,986 |  |
|                                                                                                                                                                                                                                 |   |   |   |   |   |   |
| Net interest income, fully tax equivalent                                                                                                                                                                                            | $ | 60,667 |  | $ | 58,896 |  | $ | 50,569 |  |   | $ | 172,381 |  | $ | 150,352 |  |
| Total noninterest income                                                                                                                                                                                                             | 19,790 |  | 18,904 |  | 16,994 |  |   | 55,626 |  | 46,267 |  |
| Net securities gains                                                                                                                                                                                                                 | (92 | ) | 49 |  | — |  |   | (695 | ) | (28 | ) |
| Total Revenue                                                                                                                                                                                                                        | $ | 80,365 |  | $ | 77,849 |  | $ | 67,563 |  |   | $ | 227,312 |  | $ | 196,591 |  |
|                                                                                                                                                                                                                                 |   |   |   |   |   |   |
| Adjustments to Revenue:                                                                                                                                                                                                              |   |   |   |   |   |   |
| Derivative mark-to-market                                                                                                                                                                                                            | (14 | ) | (37 | ) | 470 |  |   | (49 | ) | (1,075 | ) |
| Total Revenue - Core                                                                                                                                                                                                                 | $ | 80,379 |  | $ | 77,886 |  | $ | 67,093 |  |   | $ | 227,361 |  | $ | 197,666 |  |
|                                                                                                                                                                                                                                 |   |   |   |   |   |   |
| (10)Core Efficiency Ratio                                                                                                                                                                                                            | 57.96 | % | 60.19 | % | 56.65 | % |   | 59.49 | % | 57.67 | % |
|                                                                                                                                                                                                                                 |   |   |   |   |   |   |
|                                                                                                                                                                                                                                 |   |   |   |   |   |   |
|                                                                                                                                                                                                                                 | September 30, | June 30, | September 30, |   |   |   |
|                                                                                                                                                                                                                                 | 2017 | 2017 | 2016 |   |   |   |
| Tangible Equity:                                                                                                                                                                                                                     |   |   |   |   |   |   |
|    Total shareholders' equity                                                                                                                                                                                         | $ | 894,301 |  | $ | 879,465 |  | $ | 751,787 |  |   |   |   |
|    Less: intangible assets                                                                                                                                                                                            | 271,347 |  | 272,030 |  | 165,349 |  |   |   |   |
|        Tangible Equity                                                                                                                                                                            | 622,954 |  | 607,435 |  | 586,438 |  |   |   |   |
|    Less: preferred stock                                                                                                                                                                                              | — |  | — |  | — |  |   |   |   |
|        Tangible Common Equity                                                                                                                                                                     | $ | 622,954 |  | $ | 607,435 |  | $ | 586,438 |  |   |   |   |
|                                                                                                                                                                                                                                 |   |   |   |   |   |   |
| Tangible Assets:                                                                                                                                                                                                                     |   |   |   |   |   |   |
|    Total assets                                                                                                                                                                                                       | $ | 7,384,339 |  | $ | 7,383,386 |  | $ | 6,666,483 |  |   |   |   |
|    Less: intangible assets                                                                                                                                                                                            | 271,347 |  | 272,030 |  | 165,349 |  |   |   |   |
|        Tangible Assets                                                                                                                                                                            | $ | 7,112,992 |  | $ | 7,111,356 |  | $ | 6,501,134 |  |   |   |   |
|                                                                                                                                                                                                                                 |   |   |   |   |   |   |
| (12)Tangible Common Equity as a percentage of Tangible Assets                                                                                                                                                                        | 8.76 | % | 8.54 | % | 9.02 | % |   |   |   |
|                                                                                                                                                                                                                                 |   |   |   |   |   |   |
|    Shares Outstanding at End of Period                                                                                                                                                                                | 97,475,575 |  | 97,483,067 |  | 88,992,077 |  |   |   |   |
| (11)Tangible Book Value Per Common Share                                                                                                                                                                                             | $ | 6.39 |  | $ | 6.23 |  | $ | 6.59 |  |   |   |   |
|                                                                                                                                                                                                                                 |   |   |   |   |   |   |
| Note: Management believes that it is standard practice in the banking industry to present these non-GAAP measures.  These measures provide useful information to management and investors by allowing them to make peer comparisons. |