Coal Asia Holdings Incorporated (COAL) Tender Offer

Attention: COAL Shareholders

Please be advised that Pure Water Corporation and Quad Water Corporation (the “Bidders”) are conducting a Tender Offer to buy up to 11,328,600,040 common shares of COAL. This represents 28.32% of COAL’s outstanding shares.

The Tender Offer is being done in line with Rule 19 of the Securities Regulation Code and relates to the planned acquisition of 71.68% of COAL’s shares by the Bidders and Pure Energy Holdings Corporation from the following major shareholders:

• Dexter Y. Tiu
• Eric Peter Y. Roxas
• Gertim G. Chuahiong
• Alexander Y. Tiu
• John L. Capinpin

You have the option to sell your shares through this Tender Offer.

Details are as follows:

Tender Offer Period:	November 14, 2025 – December 12, 2025
Tender Offer Price:	Php 0.0088
Cross Date:	December 17, 2025
Settlement Date:	December 17, 2025
Internal Deadline To Tender:	December 5, 2025, 12:00 pm

For more information, the Tender Offer Report dated October 21, 2025 is available for downloading through the PSE Edge Website.

To participate in this tender offer (sell your COAL shares to the Bidders @ Php 0.0088), please email bpitradecorpact@bpi.com.ph using your BPI Trade registered email address indicating the number of shares you wish to tender. The deadline for your response is 12:00 pm on December 5, 2025.

Also, please take note of the following terms and conditions:

1. Shareholders may tender their shares to the Bidders during the Tender Offer Period. Only outstanding shares settled by December 5, 2025, and free from any claims or liens, will be accepted for the tender offer.

2. The tendering shareholder shall receive the payment net of broker’s commission, stock transaction tax and other sell side customary fees due on the transaction, all of which shall be for the account of the tendering shareholder. Payment for your tendered shares, net of fees, shall be credited to your BPI Trade Settlement Account (SETA) upon receipt by BPI Securities Corp. (BSC) of cleared funds from the Tender Offer Agent.

3. Deadline for acceptance of the tendered shares may be changed to an earlier or later date if the Bidders amend the schedule of the Tender Offer Period.

4. Full acceptance of any tendered shares is subject to the terms and conditions outlined by the Bidders in the Tender Offer Report. BSC does not provide any assurance or guarantee that the Bidders will accept the tendered shares.

5. The application to tender shall constitute your firm commitment to BSC with respect to the shares tendered.

Should you have any questions, please feel free to e-mail bpitradecorpact@bpi.com.ph. You can also call the BPI Trade hotline at 8580-4000.

For your information and guidance.