- **NB Bancorp, Inc.** and **Provident Bancorp, Inc.** have received **all required regulatory approvals** for their proposed merger.  **[1979330_0001104659-25-100844_tm2529112d1_ex99-1.htm:0]** **[1979330_0001104659-25-100844_tm2529112d1_8k.htm:1]** 
- The merger is now expected to be completed on or about **November 14, 2025**, contingent on the satisfaction of remaining customary closing conditions.  **[1979330_0001104659-25-100844_tm2529112d1_ex99-1.htm:0]** **[1979330_0001104659-25-100844_tm2529112d1_8k.htm:1]** 
- Provident stockholders previously approved the merger on **September 16, 2025**.  **[1979330_0001104659-25-100844_tm2529112d1_ex99-1.htm:0]**

NB Bancorp and Provident Bancorp Receive Regulatory Approvals for Merger

- NB Bancorp, Inc. (NBBK) and Provident Bancorp, Inc. (PVBC) have **received all required regulatory approvals** for their proposed merger.  **[1979330_20251020NE02513:0]** 
- The merger, which was previously announced on June 5, 2025, is now expected to be completed on or about **November 14, 2025**.  **[1979330_20251020NE02513:0]** 
- **Provident stockholders approved the merger** on September 16, 2025.  **[1979330_20251020NE02513:0]**

NB Bancorp and Provident Bancorp Announce Regulatory Approvals and Anticipated Merger Closing Date

- NB Bancorp, Inc. and Provident Bancorp, Inc. announced the distribution of stock/cash election forms to Provident stockholders for their pending merger.  **[1979330_0001104659-25-097778_tm2528219d1_ex99-1.htm:0]** **[1979330_0001104659-25-097778_tm2528219d1_8k.htm:1]** 
- Provident stockholders can elect to receive either **0.691 shares of Needham common stock** or **$13.00 in cash** per share, or a combination, with the merger agreement ensuring a **50% stock and 50% cash allocation** of Provident common stock.  **[1979330_0001104659-25-097778_tm2528219d1_ex99-1.htm:0]** 
- The election deadline for Provident stockholders is anticipated to be **5:00 p.m. Eastern Time on November 7, 2025**, with an earlier deadline of **October 31, 2025**, for ESOP and 401(k) plan participants.  **[1979330_0001104659-25-097778_tm2528219d1_8k.htm:1]** **[1979330_0001104659-25-097778_tm2528219d1_ex99-1.htm:1]** 
- The Merger Transaction is anticipated to become effective on **November 15, 2025**, following expected regulatory approvals by **November 14, 2025**.  **[1979330_0001104659-25-097778_tm2528219d1_ex99-1.htm:0]** **[1979330_0001104659-25-097778_tm2528219d1_8k.htm:1]**

NB Bancorp and Provident Bancorp Announce Merger Election Form Mailing

- NB Bancorp, Inc. (Needham) and Provident Bancorp, Inc. (Provident) have distributed election forms to Provident common stockholders for the pending merger between the two companies.  **[1979330_20251008NE92943:0]** 
- Provident stockholders may elect to receive either **0.691 shares of Needham common stock** per share of Provident common stock (Stock Consideration) or **$13.00 in cash** per share of Provident common stock (Cash Consideration), or a combination of both.  **[1979330_20251008NE92943:0]** 
- The allocation and proration provisions ensure that **50%** of Provident common stock will receive Stock Consideration and **50%** will receive Cash Consideration.  **[1979330_20251008NE92943:0]** 
- The anticipated election deadline for Provident stockholders is **November 7, 2025**, at 5:00 p.m. (Eastern Time), and the Merger Transaction is expected to become effective on **November 15, 2025**.  **[1979330_20251008NE92943:0]** **[1979330_20251008NE92943:1]**

NB Bancorp and Provident Bancorp announce election form distribution for merger

- **NB Bancorp, Inc. (NBBK)** and **Provident Bancorp, Inc. (PVBC)** have distributed election forms to Provident stockholders for their pending merger, allowing them to choose between Needham common stock, cash, or a combination.  **[1979330_20251008NE92937:0]** 
- The merger consideration offers **0.691 shares of Needham common stock** or **$13.00 in cash** per Provident common stock share.  **[1979330_20251008NE92937:0]**  The allocation and proration provisions ensure that **50%** of Provident common stock will receive stock consideration and **50%** will receive cash consideration.  **[1979330_20251008NE92937:0]** 
- The anticipated election deadline for Provident stockholders is **November 7, 2025, at 5:00 p.m. (Eastern Time)**, and the merger is expected to become effective on **November 15, 2025**.  **[1979330_20251008NE92937:1]** **[1979330_20251008NE92937:0]**

NB Bancorp (NBBK)