- Osisko Development Corp. (ODV) successfully closed an oversubscribed private placement offering on **October 29, 2025**, raising **approximately C$82.5 million** in aggregate gross proceeds.  **[1431852_0001171843-25-006749_exh_991.htm:0]** 
- The offering involved the issuance of **15,409,798 common shares**.  **[1431852_0001171843-25-006749_exh_991.htm:0]** 
- The company intends to use the net proceeds from the common shares to contribute to the capital required for the **Cariboo Gold Project construction** and related pre-construction activities.  **[1431852_0001171843-25-006749_exh_991.htm:0]** 
- **Double Zero Capital LP**, an insider, participated in the offering by subscribing for **2,447,775 Common Shares** at **C$4.78** per share, totaling **C$11,700,365**.  **[1431852_0001171843-25-006749_exh_991.htm:1]**

Osisko Development Corp. Closes C$82.5 Million Private Placement

- Osisko Development Corp. successfully closed an oversubscribed private placement offering, raising approximately **C$82.5 million** through the issuance of **15,409,798 common shares**.  **[1431852_402230970e2a4410b5557b2baaacde8d_0]** 
- The offering included various share types: National Flow-Through Shares at **C$6.69**, BC Flow-Through Shares at **C$6.93**, and other Common Shares (including a Concurrent Private Placement) at **C$4.78** per share.  **[1431852_402230970e2a4410b5557b2baaacde8d_0]** 
- The proceeds from Flow-Through Shares will fund eligible Canadian exploration expenses in British Columbia, while net proceeds from other Common Shares will contribute to the capital for the **Cariboo Gold Project** and related pre-construction activities.  **[1431852_402230970e2a4410b5557b2baaacde8d_1]** 
- **Double Zero Capital LP**, an insider, participated by subscribing for **2,447,775 Common Shares** at **C$4.78** for gross proceeds of **C$11,700,365**.  **[1431852_402230970e2a4410b5557b2baaacde8d_2]** 
- Underwriters, co-led by National Bank Financial Inc., BMO Capital Markets, and RBC Capital Markets, received a **4.5% cash commission** on the aggregate gross proceeds.  **[1431852_402230970e2a4410b5557b2baaacde8d_1]**

Osisko Development Closes C$82.5 Million Private Placement

- On **October 17, 2025**, Osisko Development Corp. (ODV) acquired **6,250,000 units** of Falco Resources Ltd. for an aggregate purchase price of **C$2,000,000**, with each unit priced at **C$0.32**.  **[1431852_0001171843-25-006670_exh_991.htm:0]** 
- Each unit consisted of one common share and one-half of one common share purchase warrant of Falco.  **[1431852_0001171843-25-006670_exh_991.htm:0]** 
- Following this transaction, Osisko Development's indirect ownership in Falco Resources increased to **54,925,240 Common Shares** and **4,915,000 Warrants**.  **[1431852_0001171843-25-006670_exh_991.htm:0]** 
- This represents approximately **15.9%** of Falco's issued and outstanding Common Shares on a basic non-diluted basis and **17.1%** on a partially diluted basis.  **[1431852_0001171843-25-006670_exh_991.htm:0]** 
- Osisko Development stated that the securities were acquired for **investment purposes**.  **[1431852_0001171843-25-006670_exh_991.htm:0]**

Osisko Development Increases Stake in Falco Resources Ltd.

- **Osisko Development Corp.** acquired **6,250,000 units** of Falco Resources Ltd. for an aggregate purchase price of **C$2,000,000** on **October 17, 2025**, as part of a private placement.  **[1431852_e3290d6d857b4529b60cfc125e1c6cb2_0]** 
- Each unit consisted of one common share and one-half of one common share purchase warrant of Falco.  **[1431852_e3290d6d857b4529b60cfc125e1c6cb2_0]** 
- Following this acquisition, Osisko Development now owns or controls **54,925,240 Common Shares** and **4,915,000 Warrants** of Falco.  **[1431852_e3290d6d857b4529b60cfc125e1c6cb2_0]** 
- This represents approximately **15.9%** of Falco's issued and outstanding Common Shares on a basic non-diluted basis and **17.1%** on a partially diluted basis.  **[1431852_e3290d6d857b4529b60cfc125e1c6cb2_0]** 
- The securities were acquired for **investment purposes**.  **[1431852_e3290d6d857b4529b60cfc125e1c6cb2_0]**

- Osisko Development Corp. (ODV) has **upsized its "bought deal" offering** to a total of **C$75 million** due to **excess demand**.  **[1431852_0001171843-25-006436_exh_991.htm:0]** 
- This represents an increase from the previously announced C$60 million offering.  **[1431852_0001171843-25-006436_exh_991.htm:0]** 
- The upsize specifically impacts the **Concurrent Private Placement**, increasing it by approximately **C$15 million**.  **[1431852_0001171843-25-006436_exh_991.htm:0]** 
- The Concurrent Private Placement will now consist of **5,230,200 Common Shares** priced at **C$4.78 per share**, generating **C$25,000,356** in gross proceeds.  **[1431852_0001171843-25-006436_exh_991.htm:0]** 
- The closing of the offering is expected around **October 29, 2025**, subject to regulatory approvals.  **[1431852_0001171843-25-006436_exh_991.htm:0]**

Osisko Development Upsizes Bought Deal Offering to C$75 Million

- Osisko Development Corp. has increased its "bought deal" financing from **C$60 million to C$75 million** due to excess demand, following a further amending agreement with underwriters.  **[1431852_c718bb4944604d729d238b780f646bba_0]** 
- The total offering now comprises approximately **C$50 million** from a "listed issuer financing exemption" (LIFE Exemption) and an increased Concurrent Private Placement of approximately **C$25 million**.  **[1431852_c718bb4944604d729d238b780f646bba_0]** 
- The Concurrent Private Placement will involve the issuance of **5,230,200 Common Shares** at a price of **C$4.78 per Common Share**.  **[1431852_c718bb4944604d729d238b780f646bba_0]** 
- The closing of both the LIFE Offering and the Concurrent Private Placement is expected on or about **October 29, 2025**, subject to necessary regulatory approvals.  **[1431852_c718bb4944604d729d238b780f646bba_0]**

Osisko Development Increases "Bought Deal" Financing to C$75 Million

- Osisko Development Corp. has **increased its previously announced "bought deal" financing from C$60 million to C$75 million** due to excess demand.  **[1431852_32c1ae51148c4c0c8ffce76fcc3d6d77_0]** 
- The total **C$75 million** offering includes approximately **C$50 million** from a "listed issuer financing exemption" and **C$25,000,356** from a Concurrent Private Placement.  **[1431852_32c1ae51148c4c0c8ffce76fcc3d6d77_0]** 
- The Concurrent Private Placement was increased by approximately **C$15 million**, and will now consist of **5,230,200 Common Shares** at a price of **C$4.78 per Common Share**.  **[1431852_32c1ae51148c4c0c8ffce76fcc3d6d77_0]** 
- The closing of the LIFE Offering and Concurrent Private Placement is expected on or about **October 29, 2025**.  **[1431852_32c1ae51148c4c0c8ffce76fcc3d6d77_0]**

Osisko Development increases "bought deal" financing to C$75 million

- Osisko Development Corp. announced an **upsized "bought deal" financing** totaling **C$60 million** due to excess demand.  **[1431852_0001171843-25-006383_exh_991.htm:0]** 
- The **LIFE Offering** will generate **C$49,999,980** through the issuance of: **2,990,000 National Flow-Through Shares** at C$6.69 each (C$20,003,100), **1,444,000 British Columbia Flow-Through Shares** at C$6.93 each (C$10,006,920), and **4,182,000 Common Shares** at C$4.78 each (C$19,989,960).  **[1431852_0001171843-25-006383_exh_991.htm:0]** 
- A **Concurrent Private Placement** will raise an additional **C$10,000,238** by issuing **2,092,100 Common Shares** at C$4.78 per share.  **[1431852_0001171843-25-006383_exh_991.htm:0]** 
- The company intends to use the **net proceeds of approximately C$30 million** from the Common Shares issued in the LIFE Offering and Concurrent Private Placement to contribute to the capital required for the **Cariboo Gold Project** and related pre-construction activities.  **[1431852_0001171843-25-006383_exh_991.htm:0]** 
- Closing of both the LIFE Offering and Concurrent Private Placement is expected on or about **October 29, 2025**.  **[1431852_0001171843-25-006383_exh_991.htm:0]**

Osisko Development Corp. Upsizes Bought Deal LIFE Offering and Announces Concurrent Private Placement

- Osisko Development Corp. has increased its "bought deal" financing to **C$60 million** due to excess demand.  **[1431852_bf5483788ef34b9ca021fada354cca2d_0]** 
- The financing consists of a **LIFE Offering** for **C$49,999,980** and a **Concurrent Private Placement** for **C$10,000,238**.  **[1431852_bf5483788ef34b9ca021fada354cca2d_0]** **[1431852_bf5483788ef34b9ca021fada354cca2d_1]** 
- The net proceeds from the Common Shares, approximately **C$30 million**, are intended to fund the **Cariboo Gold Project** and related pre-construction activities.  **[1431852_bf5483788ef34b9ca021fada354cca2d_1]** 
- Closing for both offerings is anticipated on or about **October 29, 2025**.  **[1431852_bf5483788ef34b9ca021fada354cca2d_1]**

Osisko Development announces increased financing to C$60 million

- Osisko Development Corp. (ODV) has announced an **upsized "bought deal" financing** totaling **C$60 million** due to excess demand.  **[1431852_05c7cef1c6c4461bb34397e761796aac_0]** 
- This financing comprises a LIFE Offering for gross proceeds of **C$49,999,980** through the issuance of National Flow-Through Shares, British Columbia Flow-Through Shares, and Common Shares, along with a concurrent private placement of **C$10,000,238** from Common Shares.  **[1431852_05c7cef1c6c4461bb34397e761796aac_0]** **[1431852_05c7cef1c6c4461bb34397e761796aac_1]** 
- Approximately **C$30 million** of the net proceeds from the Common Shares issued will be allocated to the construction and pre-construction activities for the **Cariboo Gold Project**.  **[1431852_05c7cef1c6c4461bb34397e761796aac_1]** 
- The closing of both the LIFE Offering and the Concurrent Private Placement is anticipated on or about **October 29, 2025**, contingent upon receiving all necessary regulatory approvals.  **[1431852_05c7cef1c6c4461bb34397e761796aac_1]**

Osisko Development (ODV)