This Customer Portal (the “Portal”) is owned and operated by Graymont Limited and/or one or more of its subsidiaries (collectively, the “Graymont Group”). Where we say “we”, “us” or “our”, we mean the Graymont Group. This Legal Notice sets out the terms and conditions (“Terms”) on which we agree to make available, and you agree to access and use, this Portal. If you accept or agree to these Terms on behalf of a company or other legal entity, you represent and warrant that you have the authority to bind that company or other legal entity to these Terms and, in such event, “you” and “your” will refer and apply to that company or other legal entity.

If you access or use the website www.graymont.com, www.graybond.com, www.calcimate.com.au, www.calcimate.co.nz and its subdomains and third-party sites linked to the same (“Site”), please note that separate terms of use govern your access to the Site.

Terms of Use
The Portal is made available to authorized users for the purposes of placing orders, viewing account information, accessing documentation, and communicating with us. In order to access the Portal, you must register to create an account (“Account”).

During the registration process, you will be required to provide certain information and establish a username and password. You are responsible for safeguarding your account credentials, including usernames and passwords. You agree that you will not disclose your account credentials to any third party and that you will take sole responsibility for any activities or actions under your Account, whether or not you have authorized such activities or actions. We shall not be responsible for any loss or damage arising from a user’s failure to safeguard their account credentials. You will immediately notify us of any unauthorized use of your account.

You agree to provide accurate, current, and complete information and to update such information as necessary. You are responsible for all orders or instructions submitted through your account in the Portal, and we are entitled to rely on any such submissions as authorized by you. We reserve the right to suspend or terminate your Account if any information provided during the registration process or thereafter proves to be inaccurate, not current, or incomplete.

Privacy
You agree that all information you provide to register with this Portal, including, but not limited to, through the use of any interactive features on the Portal, is governed by our Privacy Policy, and you consent to all actions we take with respect to your information

consistent with our Privacy Policy. Use of the Portal represents your acceptance of the Privacy Policy and its terms.

Acceptance
If you do not agree with these Terms or our Privacy Policy, you must not access or use this Portal. We may change these Terms and our Privacy Policy at any time and without prior notice to you. Your ongoing use of this Portal constitutes acceptance of such changes.

Sales Terms and Conditions
These Terms apply in addition to, and not in replacement of, our sales terms and conditions, including, as applicable, (i) our Terms and Conditions of Sale, (ii) our Supply and Purchase Agreement, or (iii) any other mutually executed sales terms and conditions between you and us (collectively “Sales Agreement”).

Information made available through the Portal, including pricing, delivery dates, order status, account balances and historical records, is provided for general informational purposes only and may not reflect the most current information. All orders, pricing, and delivery terms are subject to confirmation.

Orders submitted through the Portal are submitted for processing only and do not create a binding sales contract unless and until accepted by us in accordance with the applicable Sales Agreement. In the event of any conflict between these Terms and any Sales Agreement, the Sales Agreement shall prevail and control.

Your Obligations
You agree not to: (1) use or access this Portal in any way contrary to these Terms or for any fraudulent or unlawful purpose; (2) use or access this Portal to impersonate any person or entity; (3) interfere with or disrupt the operation of this Portal; (4) transmit or otherwise make available in connection with this Portal or access to this Portal any virus, worm, Trojan Horse, spyware or other harmful computer code, file or program; (5) restrict or inhibit the ability of any other authorized user to access or use this Portal; (6) modify, adapt or translate any portion of this Portal; (7) remove, obscure or modify any copyright, trademark or other proprietary rights notice from this Portal; or (8) attempt to transfer, assign or sublicense any license rights you receive under these Terms to any other person.

You must not use any automated means (such as robots, spiders, or data mining tools) to access, monitor, or copy any part of the Portal without our prior written consent, except where such activity is expressly permitted by law.

You agree to comply with all applicable laws, rules, and regulations in connection with your use of the Portal, including data protection and privacy laws.

Disclaimer
Access to this Portal is provided to enable authorized users to access your account information and submit orders and related requests, subject to the applicable sales terms and conditions governing such transactions.

Except as expressly provided in these Terms, to the fullest extent permitted by law, the Graymont Group disclaims all warranties, whether express or implied, including implied warranties of merchantability, fitness for a particular purpose, and non-infringement, related to access and use of the Portal and its functionality . Each of the foregoing is provided on an “as is” basis without warranty of any kind, subject to any warranties or guarantees that cannot be excluded under law. It is your responsibility to ensure that this Portal is suitable for your intended purposes. Without limiting the generality of the foregoing, we give no warranty: (1) that access to this Portal will be uninterrupted or error-free; or (2) that this Portal and/or the computer server from which this Portal is made available, are free from viruses or other harmful components.

You acknowledge and agree that the operation of this Portal is dependent on the proper and effective functioning of the internet and other third-party equipment and services, and that we do not guarantee and will not be liable for these in any way.

We do not warrant or guarantee that any information available for download from the Portal will be free of viruses or other harmful code. You are responsible for implementing appropriate procedures to satisfy your own requirements for data backup and security.

WITHOUT LIMITING THE ABOVE AND TO THE MAXIMUM EXTENT PERMITTED BY LAW, AND SUBJECT TO ANY WARRANTIES OR GUARANTEES THAT CANNOT BE EXCLUDED UNDER LAW, IN NO EVENT WILL THE GRAYMONT GROUP BE LIABLE FOR ANY DAMAGES WHATSOEVER ARISING OUT OF OR RELATED TO THIS PORTAL, INCLUDING, BUT NOT LIMITED TO DIRECT, INCIDENTAL, SPECIAL, INDIRECT, PUNITIVE OR CONSEQUENTIAL LOSSES OR DAMAGES, INCLUDING ANY LOSS OF DATA, PROFITS, REVENUES, BUSINESS OR GOODWILL, SERVICE INTERRUPTION, COMPUTER DAMAGE OR SYSTEM FAILURE OR THE COST OF SUBSTITUTE PRODUCTS OR SERVICES, ARISING OUT OF OR IN CONNECTION WITH THESE TERMS OR FROM THE USE OF OR INABILITY TO USE THE PORTAL, WHETHER BASED ON WARRANTY, CONTRACT, TORT (INCLUDING NEGLIGENCE), PRODUCT LIABILITY OR ANY OTHER LEGAL THEORY.

THE FOREGOING LIMITATIONS OF LIABILITY SHALL APPLY EVEN IF YOUR REMEDIES UNDER THESE TERMS FAIL OF THEIR ESSENTIAL PURPOSE. YOU ACKNOWLEDGE AND

AGREE THAT THE LIMITATIONS OF LIABILITY IN THIS SECTION FAIRLY ALLOCATE THE RISKS BETWEEN THE GRAYMONT GROUP AND YOU UNDER THESE TERMS.

Links to Third Party Websites
Unless stated otherwise, these links are provided for your convenience only and do not signify that we endorse, warrant or guarantee such third-party websites. We do not review third party websites. You acknowledge and agree that: (1) we are not responsible for such websites, including the terms on which such websites are made available and the privacy policies of such websites, and do not control their content or availability; (2) we make no representation, warranty or condition in relation to any goods or services or information received from such websites; and (3) if you access any such websites, you do so entirely at your own risk.

We do not control the use of cookies, data collection, or privacy practices of any third-party websites and recommend that you review their privacy and cookie policies before providing any personal information.

You may not frame, link or deep link this Portal to any other website without obtaining our prior written consent.

Intellectual Property
The intellectual property rights in this Portal and all information stored, displayed and accessible on this Portal is either owned by us or duly licensed by third parties to us and you must not reproduce it without our prior written consent. You may use this information only to the extent necessary for you to access and use this Portal or otherwise as permitted by law. All rights are reserved.

Use of any Graymont trademarks, logos, or brand elements without express written permission is strictly prohibited. Nothing in these Terms shall be construed as granting any license or right to use any the Graymont Group’s intellectual property without our prior written authorization.

Governing Law and Jurisdiction
These Terms and any dispute or claim arising out of or in connection with these Terms and their subject matter are subject to the laws of the Province of British Columbia, Canada and the laws of Canada applicable therein without regard to conflict of law principles. Any legal action or proceeding arising out of or relating to these Terms shall be brought exclusively in the courts located in British Columbia, Canada.

If you are accessing the Portal from a jurisdiction outside of Canada, you are responsible for compliance with any local laws that may apply to your use of the Portal.

Waiver
We and you expressly agree to waive and set aside our respective rights and obligations under any applicable law in the event of any termination of these Terms to the extent that such law requires any judicial pronouncement for the termination of these Terms.

No failure or delay by us to exercise any right or remedy under these Terms shall constitute a waiver of that or any other right or remedy, nor shall it prevent or restrict the further exercise of that or any other right or remedy. If any of these Terms are held to be invalid or unenforceable, such provision shall be severed from these Terms and, where reasonably practicable, the remaining provisions of the Terms will not in any way be affected or impaired.

Published: April 2026