Boart Longyear : Notice of 2022 Annual General and Special Meeting

Boart Longyear Group Ltd.

Incorporated under the laws of Ontario, Canada

Ontario Corporation No. 002854330

ARBN 652 848 103

ASX ANNOUNCEMENT (ASX:BLY)

26 April 2022

BOART LONGYEAR NOTICE OF 2022 ANNUAL GENERAL AND SPECIAL MEETING

Please see find attached the following documents for the 2022 Annual General and Special Meeting of Boart Longyear Group Ltd. (ASX: BLY) (Boart Longyear) which will be held on Wednesday, 25 May 2022, commencing at 9:00am AEST (which is Tuesday, 24 May 2022 at 7.00pm (EDT)) (AGM).

• • Notice of Meeting (which includes the Management Information Circular)

• • Sample CDI Voting Instruction Form

• • Sample Proxy Form

• • Virtual Online Meeting Guide

• • Letter to shareholders which provides details about how the Notice of Meeting can be accessed, how shareholders can participate virtually in the AGM and how they can vote on the resolutions at the AGM.

In the interests of health and safety as a result of the COVID-19 pandemic, the AGM will be held virtually via our online platform only athttps://meetings.linkgroup.com/BLY22.

Authorised for lodgement by:

Nicholas R. Nash

Company Secretary

About Boart Longyear

Established in 1890, Boart Longyear is in its 132nd year as the world's leading provider of drilling services, orebody-data-collection technology, and innovative, safe and productivity-driven drilling equipment. With its main focus in mining and exploration activities spanning a wide range of commodities, including copper, gold, nickel, zinc, uranium, and other metals and minerals, the company also holds a substantial presence in the energy, oil sands exploration, and environmental sectors.

The Global Drilling Services division operates for a diverse mining customer base with drilling methods including diamond coring exploration, reverse circulation, large diameter rotary, mine dewatering, water supply drilling, pump services, production, and sonic drilling services.

The Geological Data Services division utilises innovative scanning technology and down-hole instrumentation tools to capture detailed geological data from drilled core and chip samples. This valuable orebody knowledge gives mining companies the ability to make timely decisions for more efficient exploration activities.

2442 South Sheridan Way

Mississauga, Ontario L5J 2M7 Canada

P: +1 905-822-7922 · TOLL FREE: + 1 800-453-8740

E:info@boartlongyear.com· W:www.boartlongyear.com

ASX ANNOUNCEMENT (ASX:BLY)

The Global Products division offers sophisticated research and development and holds hundreds of patented designs to manufacture, market, and service reliable drill rigs, innovative drill string products, rugged performance tooling, durable drilling consumables, and quality parts for customers worldwide.

Boart Longyear is headquartered in Salt Lake City, Utah, USA, and listed on the Australian Securities Exchange in Sydney, Australia (ASX:BLY). More information about Boart Longyear can be found atwww.boartlongyear.com. To get Boart Longyear news direct, follow us on Twitter, LinkedIn and Facebook.

BOART LONGYEAR GROUP LTD.

Ontario Corporation No. 002854330

ARBN 652 848 103

NOTICE OF MEETING AND MANAGEMENT INFORMATION CIRCULAR

In respect of the

ANNUAL GENERAL AND SPECIAL MEETING OF SHAREHOLDERSDATE & TIME:ONLINE MEETING LINK:Wednesday, 25 May 2022 at 9.00am (AEST)

Tuesday, 24 May 2022 at 7.00pm (EDT)

https://meetings.linkgroup.com/BLY22

NOTICE OF ANNUAL GENERAL AND SPECIAL MEETING OF SHAREHOLDERS

Boart Longyear Group Ltd. (Ontario Corporation No. 002854330, ARBN 652 848 103)

Notice is given that the Annual General and Special Meeting of Shareholders of Boart Longyear Group Ltd. (the Company) will be held on Wednesday, 25 May 2022 at 9.00am (AEST) and Tuesday, 24 May 2022 at 7.00pm (EDT) (Meeting).

In the interests of health and safety as a result of the COVID-19 pandemic, the Meeting will be held as an online meeting only athttps://meetings.linkgroup.com/BLY22.

All Registered Shareholders, CDI Holders and duly appointed proxyholders may participate in the online Meeting. Further information about how Registered Shareholders and Chess Depositary Interest (CDI) Holders may vote is set out in the Management Information Circular which accompanies this Notice of Meeting. Note that CDI Holders will not be recognised directly for the purposes of voting the Shares registered in the name of CHESS Depositary Nominees Pty Ltd in which the CDI Holder has a beneficial interest. A CDI Holder may vote the Shares in which they have a beneficial interest by completing a CDI Voting Instruction Form in accordance with the instructions set out in the Management Information Circular.

Voting on all the resolutions will be by way of a poll.

The Management Information Circular, Explanatory Statement, Proxy Form, CDI Voting Instruction Form and Virtual Meeting Online Guide accompanying this Notice of Meeting are incorporated into and form part of this Notice of Meeting.

The record date for the determination of the Shareholders entitled to receive this notice and to vote has been established as 19 April 2022 (Record Date).

Registered Shareholders and CDI Holders are encouraged to submit any questions before the online Meeting by lodging questions online atwww.linkmarketservices.com.au by no later than 9.00am (AEST) on Thursday, 19 May 2022.

Every director and the auditor of the Company are entitled to receive notice of and participate in the online Meeting.

BUSINESS OF THE ANNUAL GENERAL AND SPECIAL MEETING OF SHAREHOLDERS

2021 Financial Statements

To receive and consider the audited consolidated Financial Statements and Independent Auditor's Report of the Company for the fiscal year ended 31 December 2021.

A copy of the Financial Statements and Auditor's Report are accessible atwww.boartlongyear.com/company/investors/annual-reports/.

ORDINARY RESOLUTIONS

Resolution 1 - Re-election of Rubin McDougal

To consider and, if thought fit, pass with or without amendment, the following resolution as an ordinary resolution:

"That, for the purpose of clause 6 of the By-laws of the Company, ASX Listing Rule 14.4 and for all other purposes, Rubin McDougal retires and being eligible, offers himself for election and is re-elected as a Director of the Company."

Resolution 2 - Re-election of Jeffrey Olsen

To consider and, if thought fit, pass with or without amendment, the following resolution as an ordinary resolution:

"That, for the purpose of clause 6 of the By-laws of the Company and all other purposes, Jeffrey Olsen retires and being eligible, offers himself for election and is re-elected as a Director of the Company."

Resolution 3 - Re-election of Tye Burt

To consider and, if thought fit, pass with or without amendment, the following resolution as an ordinary resolution:

"That, for the purpose of clause 6 of the By-laws of the Company, ASX Listing Rule 14.4 and for all other purposes, Tye Burt retires and being eligible, offers himself for election and is re-elected as a Director of the Company."

Resolution 4 - Re-election of Conor Tochilin

To consider and, if thought fit, pass with or without amendment, the following resolution as an ordinary resolution:

"That, for the purpose of clause 6 of the By-laws of the Company, ASX Listing Rule 14.4 and for all other purposes, Conor Tochilin retires and being eligible, offers himself for election and is re-elected as a Director of the Company."

Resolution 5 - Re-election of Lars Engström

To consider and, if thought fit, pass with or without amendment, the following resolution as an ordinary resolution:

"That, for the purpose of clause 6 of the By-laws of the Company, ASX Listing Rule 14.4 and for all other purposes, Lars Engström retires and being eligible, offers himself for election and is re-elected as a Director of the Company."

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