ADDENDUM TO BONDHOLDERS' SUMMONS

21 Nov 2022 12:58 CET

ADDENDUM TO BONDHOLDERS' SUMMONS

Vancouver, British Columbia – November 21, 2022 – Copper Mountain Mining
Corporation 8% senior secured USD 250,000,000 bonds 2021/2026 with ISIN
NO0010968415 (the “Bond Issue”). Reference is made to the summons to a
Bondholders' Meeting in the Bond Issue published on 9 November 2022 (the
“Initial Summons”). Following discussions between the Issuer and certain
Bondholders in advance of the Bondholders’ Meeting, the Issuer has agreed to
make certain amendments to the Buyback Offer (as defined in the Initial Summons)
and to make the net proceeds from certain future contingent payments to the
Issuer (if any) available to the Bondholders, as further described in the
attached addendum.

As the proposed amendments constitute an improvement of terms for the
Bondholders (compared to the Initial Summons), the original Bondholders’ Meeting
date and time, being 25 November 2022 at 13:00 hours (Oslo time), is maintained.

All capitalised terms used, but not defined herein, shall have the same meaning
assigned to them in the bond terms between the Issuer and the Bond Trustee dated
8 April 2021, as amended and/or supplemented from time to time.

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576267_18137591_1_CMMC - Addendum to the Summons - Signed.PDF