X0306 4 2021-11-10 0 0001543418 Trilogy Metals Inc. TMQ 0001562653 Stairs Janice C/O TRILOGY METALS INC. SUITE 1150, 609 GRANVILLE STREET VANCOUVER A1 V7Y 1G5 BRITISH COLUMBIA, CANADA 1 0 0 0 Common Shares 2021-11-10 4 M 0 773 0.56 A 286596 D Common Shares 2021-11-10 4 S 0 400 1.96 D 286196 D Common Shares 2021-11-11 4 M 0 25000 0.56 A 311196 D Common Shares 2021-11-11 4 S 0 12835 1.98 D 298361 D Common Shares 2021-11-11 4 M 0 12553 0.56 A 310914 D Common Shares 2021-11-11 4 S 0 6452 1.97 D 304462 D Director Stock Option (Right to Buy) 0.56 2021-11-10 4 M 0 773 0 D 2016-12-15 2021-12-14 Common Shares 773 49227 D Director Stock Option (Right to Buy) 0.56 2021-11-11 4 M 0 25000 0 D 2016-12-15 2021-12-14 Common Shares 25000 24227 D Director Stock Option (Right to Buy) 0.56 2021-11-11 4 M 0 12553 0 D 2016-12-15 2021-12-14 Common Shares 12553 11674 D Converted from Canadian exercise price of C$0.70 using an exchange rate of C$1.2452 = US$1.00. The sales price reported above was converted from the Canadian sale price of C$2.44 using an exchange rate C$1.2452 = US$1.00. The sales price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from C$2.46 to C$2.47, inclusive. The reporting person undertakes to provide to Trilogy Metals Inc., any security holder of Trilogy Metals Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The weighted average price was converted from the Canadian weighted average price of C$2.47 using an exchange rate C$1.2452 = US$1.00. The sales price reported above is a weighted average price. These shares were sold in multiple transactions at prices ranging from C$2.45 to C$2.46, inclusive. The reporting person undertakes to provide to Trilogy Metals Inc., any security holder of Trilogy Metals Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The weighted average price was converted from the Canadian weighted average price of C$2.45 using an exchange rate C$1.2452 = US$1.00. /s/ Elaine Sanders as attorney-in-fact for Janice Stairs 2021-11-15