Table of Contents | | UNITED STATES | | --- | --- | | | SECURITIES AND EXCHANGE COMMISSION | | | Washington, D.C. 20549 | | | FORM 10-K | | ☒ | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | | For the Year Ended December 31, 2025 | | | OR | | ☐ | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | | For the transition period from _____________ to _______________ | | | Commission File Number: 001-38991 | | | Pioneer Bancorp, I ...

FOR IMMEDIATE RELEASE: Exhibit 99.1 652 Albany Shaker Road, Albany, NY 12211 News Release Pioneer Bancorp, Inc. Reports 2025 Results Net Income of $20.3 Million Albany, N.Y. – January 30, 2026 – Pioneer Bancorp, Inc. ("Pioneer") (NASDAQ: PBFS), a leading financial institution in New York's Capital Region, today reported the results for the three months and calendar year ended December 31, 2025. Net income for the three months ended December 31, 2025 was $3.7 million, or $0.16 and $0.15 per basic and diluted ...

Valuation & Earnings - Pioneer Bancorp reported revenue of $31.81 million and earnings per share (EPS) of $0.80, while Carter Bankshares reported higher revenue of $243.10 million and EPS of $1.36, indicating stronger financial performance for Carter Bankshares [2][3] - Carter Bankshares has a lower price-to-earnings (P/E) ratio of 14.69 compared to Pioneer Bancorp's P/E ratio of 18.39, suggesting that Carter Bankshares is currently more affordable [2][3] Volatility & Risk - Pioneer Bancorp has a beta of 0.45, indicating its stock price is 55% less volatile than the S&P 500, while Carter Bankshares has a beta of 0.62, indicating it is 38% less volatile than the S&P 500 [3] Profitability - Pioneer Bancorp has a net margin of 16.17%, return on equity (ROE) of 6.38%, and return on assets (ROA) of 0.95%. In comparison, Carter Bankshares has a net margin of 12.37%, ROE of 7.65%, and ROA of 0.65% [5] Analyst Recommendations - Carter Bankshares has a consensus price target of $22.00, indicating a potential upside of 10.11%. Analysts view Carter Bankshares more favorably than Pioneer Bancorp, which has no buy ratings [7] Insider & Institutional Ownership - 41.5% of Carter Bankshares shares are held by institutional investors, compared to only 2.5% of Pioneer Bancorp shares held by company insiders, indicating stronger institutional confidence in Carter Bankshares [8] Summary - Carter Bankshares outperforms Pioneer Bancorp in 8 out of 13 factors compared, highlighting its overall stronger position in the market [9]

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 OR For the transition period from _______ to _______ PIONEER BANCORP, INC. (Exact Name of Company as Specified in its Charter) Maryland 001-38991 83-4274253 (State of Other Jurisdiction of (Commission File No.) (I.R.S. Employer Identification No.) 652 Albany Shaker Road, ...

Exhibit 99.1 652 Albany Shaker Road, Albany, NY 12211 News Release Pioneer Bancorp, Inc. Reports Third Quarter 2025 Results Net Income of $4.3 Million Albany, N.Y. – October 30, 2025 – Pioneer Bancorp, Inc. ("Pioneer") (NASDAQ: PBFS), a leading financial institution in New York's Capital Region, today reported the results for the three and nine months ended September 30, 2025. Net income for the three months ended September 30, 2025 was $4.3 million, or $0.18 per basic and diluted share, as compared to $6.3 ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _______ to _______ PIONEER BANCORP, INC. (Exact Name of Company as Specified in its Charter) Maryland 001-38991 83-4274253 (State of Other Jurisdiction ...

Exhibit 99.1 FOR IMMEDIATE RELEASE: Pioneer Bancorp, Inc. Reports Second Quarter 2025 Results Net Income of $6.5 Million Albany, N.Y. – July 30, 2025 – Pioneer Bancorp, Inc. ("Pioneer") (NASDAQ: PBFS), a leading financial institution in New York's Capital Region, today reported the results for the three and six months ended June 30, 2025. Net income for the three months ended June 30, 2025 was $6.5 million, or $0.26 per basic and diluted share, as compared to $3.9 million, or $0.16 per basic and diluted sha ...

Financial Performance - Net income for the three months ended March 31, 2025, was $5,763,000, compared to $4,719,000 for the same period in 2024, reflecting a year-over-year increase of 22.1%[12] - The company reported a basic net earnings per common share of $0.23 for Q1 2025, up from $0.19 in Q1 2024, representing a growth of 21.1%[12] - Net income applicable to common stock for the three months ended March 31, 2025, was $5,763,000, compared to $4,719,000 for the same period in 2024, reflecting an increase of about 22%[133] - Net interest income for the three months ended March 31, 2025, was $19.1 million, compared to $17.3 million for the same period in 2024, reflecting an increase of 10.5%[163] - The net interest margin improved to 4.12% for the three months ended March 31, 2025, compared to 3.96% for the same period in 2024[163] - Total shareholders' equity increased by $6.1 million, or 2.0%, to $310.7 million, mainly due to net income and an increase in accumulated other comprehensive income[183] Asset and Deposit Growth - Total assets increased to $2,068,985,000 as of March 31, 2025, up from $1,979,730,000 at December 31, 2024, representing a growth of 4.5%[10] - Total deposits increased to $1,721,647,000 as of March 31, 2025, compared to $1,586,183,000 at December 31, 2024, an increase of 8.5%[10] - Cash and cash equivalents at the end of Q1 2025 were $139,626,000, compared to $96,521,000 at the end of Q4 2024, an increase of 44.6%[17] - Total gross unrealized losses on available for sale securities were $3.4 million as of December 31, 2024, primarily due to changes in interest rates rather than credit quality[36] Loan and Credit Quality - As of March 31, 2025, net loans receivable totaled $1,487.2 million, an increase from $1,434.6 million as of December 31, 2024, representing a growth of 3.7%[43] - The allowance for credit losses on loans increased to $22.8 million as of March 31, 2025, up from $21.8 million at the end of 2024, reflecting a rise of 4.8%[46] - Total non-accrual loans amounted to $10,695,000, with $5,864,000 in real estate and $3,867,000 in residential mortgages[51] - Total past due loans over 90 days still on accrual were $9,734,000, with $5,878,000 in commercial real estate and $2,081,000 in residential mortgages[51] - The total classified loans increased to $28.8 million at March 31, 2025, from $24.7 million at December 31, 2024, with substandard loans rising by $2.9 million[205] Noninterest Income and Expenses - Noninterest income decreased to $3,725,000 in Q1 2025 from $4,234,000 in Q1 2024, a decline of 11.9%[12] - Total noninterest income in scope for the three months ended March 31, 2025, was $3,651,000, slightly up from $3,638,000 in 2024, showing a marginal increase of about 0.4%[132] - Non-interest expense decreased to $14,591,000 in Q1 2025 from $15,429,000 in Q1 2024, a reduction of 5.4%[12] - Non-interest income decreased by $509,000, or 12.0%, to $3.7 million, primarily due to a lack of net gains on equity securities compared to the previous year[196] Legal and Regulatory Matters - The Company has a potential exposure of $54.4 million related to legal matters as of March 31, 2025, which is in addition to any accrued liabilities[84] - The Company and the Bank are vigorously defending against multiple legal claims and proceedings, which could have a material adverse effect on their business and financial condition[86] - The New York State Department of Financial Services conducted investigations into the Bank's practices associated with the Mann Parties, leading to the Bank's conversion to a national bank on April 1, 2024[105] Strategic Focus and Future Outlook - The company aims to grow through deepening client relationships and diversifying its products and services, focusing on lower-cost core deposits and selective acquisitions[151] - The company’s strategy emphasizes delivering long-term value to stockholders while expanding product and service offerings to meet evolving client needs[152] - The Company is evaluating the impact of new accounting standards on its consolidated financial statements, effective for fiscal years beginning after December 15, 2024[26][28]

Financial Performance - Net income for the first quarter of 2025 was $5.8 million, or $0.23 per share, compared to $4.7 million, or $0.19 per share for the same period in 2024, representing a 23.4% increase in net income year-over-year[2] - Net interest income for the quarter was $19.1 million, up $1.8 million, or 10.1%, from $17.3 million in the same quarter of 2024[6] - Net interest income rose to $19,083,000 for the three months ended March 31, 2025, compared to $17,331,000 for the same period in 2024, an increase of 10.1%[27] - Basic earnings per share increased to $0.23 in Q1 2025, up from $0.19 in Q1 2024, marking a growth of 21.1%[27] - Return on average assets improved to 1.14% in Q1 2025, compared to 0.98% in Q1 2024[28] - The efficiency ratio decreased to 63.97% in Q1 2025 from 71.55% in Q1 2024, indicating improved operational efficiency[28] Asset and Loan Growth - Total assets increased by $89.3 million, or 4.5%, to $2.07 billion at March 31, 2025, from $1.98 billion at December 31, 2024[18] - Net loans receivable rose by $52.6 million, or 3.7%, to $1.49 billion at March 31, 2025, primarily driven by growth in the residential mortgage loan portfolio[19] - Total assets increased to $2,068,985,000 as of March 31, 2025, from $1,979,730,000 as of December 31, 2024, representing a growth of 4.5%[27] - Total deposits rose to $1,721,647,000 as of March 31, 2025, compared to $1,586,183,000 as of December 31, 2024, an increase of 8.5%[27] - Deposits increased by $135.5 million, or 8.5%, to $1.72 billion at March 31, 2025, with significant growth in money market accounts and non-interest-bearing demand accounts[21] Credit Quality - Non-performing assets increased to $10.7 million, or 0.52% of total assets, at March 31, 2025, up from $5.2 million, or 0.27% of total assets, at December 31, 2024[10] - The provision for credit losses was $800,000 for the first quarter of 2025, significantly higher than $80,000 for the same period in 2024, reflecting changes in economic conditions and loan portfolio growth[13] - Non-performing loans as a percentage of total loans increased to 0.71% in Q1 2025 from 0.65% in Q1 2024[28] - The allowance for credit losses as a percentage of total loans decreased to 1.51% in Q1 2025 from 1.62% in Q1 2024[28] Shareholder Equity - Shareholders' equity increased by $6.1 million, or 2.0%, to $310.7 million at March 31, 2025, primarily due to net income and an increase in accumulated other comprehensive income[22] Other Financial Metrics - The average yield on interest-earning assets increased by 32 basis points to 5.62% for the three months ended March 31, 2025, compared to 5.30% for the same period in 2024[7] - The number of full-time equivalent employees increased slightly to 268 in Q1 2025 from 267 in Q1 2024, indicating stable workforce levels[28] - Noninterest income decreased by $509,000, or 12.0%, to $3.7 million for the three months ended March 31, 2025, compared to $4.2 million for the same period in 2024[14]

Financial Performance - Net income for the six months ended December 31, 2024 was $9.6 million, a 45.5% increase from $6.6 million for the same period in 2023[2] - Net interest income for the six months ended December 31, 2024 was $35.5 million, an increase of $3.5 million, or 10.9%, from $32.0 million for the same period in 2023[5] - Noninterest income for the six months ended December 31, 2024 was $8.8 million, a 4.8% increase from $8.4 million for the same period in 2023[13] - Noninterest expense for the six months ended December 31, 2024 was $31.6 million, an increase of $1.4 million, or 4.8%, from $30.2 million for the same period in 2023[14] - The effective tax rate increased to 22.6% for the six months ended December 31, 2024, compared to 20.6% for the same period in 2023[15] - The efficiency ratio for the six months ended December 31, 2024, was 71.47%, compared to 74.76% for the same period in 2023, indicating improved operational efficiency[27] Asset and Loan Growth - Total assets increased by $84.3 million, or 4.4%, to $1.98 billion at December 31, 2024, compared to $1.90 billion at June 30, 2024[16] - Net loans receivable rose by $90.5 million, or 6.7%, to $1.43 billion at December 31, 2024, driven by growth in residential mortgage loans[17] - Total assets rose to $1,979.73 million at December 31, 2024, up from $1,895.40 million at June 30, 2024[26] Deposits and Equity - Total deposits increased by $35.9 million, or 2.3%, to $1.59 billion at December 31, 2024, compared to $1.55 billion at June 30, 2024[19] - Shareholders' equity increased by $8.0 million, or 2.7%, to $304.6 million as of December 31, 2024, driven by net income of $9.6 million and an increase in accumulated other comprehensive income[20] Non-Performing Assets - Non-performing assets decreased to $5.2 million, or 0.27% of total assets, down from $9.2 million, or 0.49% of total assets, at June 30, 2024[10] - Non-performing loans as a percentage of total loans decreased to 0.36% as of December 31, 2024, down from 0.93% in the prior year[27] Capital and Stock Repurchase - The bank's Tier 1 capital to average assets ratio was 12.07% at December 31, 2024, exceeding the federal "well capitalized" standard[20] - Pioneer repurchased 287,389 shares of its common stock at an average price of $10.81 per share during the six months ended December 31, 2024, with 905,108 shares remaining available for repurchase[21] Employment Growth - The number of full-time equivalent employees increased to 272 as of December 31, 2024, compared to 262 a year earlier, reflecting growth in operations[27] Interest Income - Interest income increased by $7.2 million, or 17.3%, to $48.8 million for the six months ended December 31, 2024, compared to $41.6 million for the same period in 2023[7] - Interest income for the three months ended December 31, 2024, was $24.45 million, up from $21.49 million in the same period of 2023, representing a year-over-year increase of 9.1%[26]