Date of Last Revision: September 23, 2025

ARBITRUM EMBEDDED BRIDGE WIDGET

DEVELOPER SUPPLEMENTAL TERMS

These Arbitrum Embedded Bridge Widget Developer Supplemental Terms (this "Agreement") apply to persons who integrate, embed, or offer the Arbitrum Bridge (the "Arbitrum Bridge") or any components of the Arbitrum Bridge within their own applications, platforms, services, or offerings, or otherwise make available to their End Users ("Your Services"). For the purposes of this Agreement, the "Services" means, the ability to integrate, embed, or offer the Arbitrum Bridge or any components thereof within Your Services. This Agreement supplements the Terms of Service available at: https://arbitrum.io/tos (as amended) (the "Terms of Service"). Capitalized terms used herein and not otherwise defined shall have the meanings ascribed to them in the Terms of Service.

PLEASE READ THIS AGREEMENT CAREFULLY, AS IT CONTAINS AN AGREEMENT TO ARBITRATE AND OTHER IMPORTANT INFORMATION REGARDING YOUR LEGAL RIGHTS, REMEDIES, AND OBLIGATIONS. THE AGREEMENT TO ARBITRATE REQUIRES (WITH LIMITED EXCEPTION) THAT YOU SUBMIT ANY CLAIMS YOU HAVE AGAINST OFFCHAIN LABS, INC. TO BINDING AND FINAL ARBITRATION, AND FURTHER (1) YOU MAY ONLY BRING CLAIMS AGAINST OFFCHAIN LABS, INC. IN YOUR INDIVIDUAL CAPACITY, NOT AS A PLAINTIFF OR CLASS MEMBER IN ANY CLASS OR REPRESENTATIVE ACTION OR PROCEEDING; (2) ANY RELIEF YOU SEE, WHETHER MONETARY, INJUNCTIVE, OR DECLARATORY, MUST BE SOUGHT ON AN INDIVIDUAL BASIS; AND (3) YOU MAY NOT BE ABLE TO HAVE ANY CLAIMS YOU HAVE AGAINST US RESOLVED BY A JURY OR IN A COURT OF LAW.

This Agreement is by and between Offchain Labs, Inc., a Delaware corporation ("Offchain Labs", "we") and you ("Developer" or "you"). For the purposes of this Agreement, any individual who accepts this Agreement will be deemed to do so as a sole proprietor or as a representative of another entity, and not in their capacity as a private individual. In the event the individual accepting this Agreement is on behalf of an entity, such individual hereby represents and warrants that: (i) the entity is duly organized, validly existing and in good standing under its jurisdiction of organization and has the right to enter into this Agreement and (ii) the individual is duly authorized by the entity on whose behalf it accepts this Agreement to accept this Agreement. Offchain Labs and Developer may be referred to herein collectively as the "Parties" or individually as a "Party."

This Agreement is effective as of the earliest date to occur on which you first access the Services or check a box or click a button acknowledging your acceptance of this Agreement (the "Effective Date"). As of the Effective Date, you agree to be bound by this Agreement, the Privacy Policy, and the Terms of Service (collectively, the "Terms"). If there is any conflict between the Terms and this Agreement, this Agreement will prevail.

If you have any questions, comments, or concerns regarding these terms or the Services, please contact us at info@offchainlabs.com.

  1. Use of the Services.

    Subject to your continued and full compliance with the terms and conditions of this Agreement and the Terms, Offchain Labs hereby grants you a limited, non-exclusive, non-sublicensable, and non-transferable right to use the Services and the underlying software.

    Certain components of the Arbitrum Bridge may be facilitated by Third-Party Services. Offchain Labs does not recommend or endorse any particular Third-Party Service. You and your End Users are solely responsible for evaluating and selecting which Third-Party Services to use for bridging digital assets, including reviewing any applicable terms, conditions, and risks associated with those services.

  2. Fees.

    Your and/or your End Users' use of the Arbitrum Bridge or any Third-Party Services related to the Services or the Arbitrum Bridge may result in certain fees, including Gas Fees and Third-Party Fees.

    In addition, Offchain Labs reserves the right to introduce fees or charges for the Services or certain features related to the Services at any time ("OCL Fees"). If we decide to assess OCL Fees, we will provide you with advance notice, which may be provided by posting an updated version of this Agreement, email notification, or notification through an applicable Site. Your continued use of the Services after the effective date of any such OCL Fees constitutes your acceptance of and agreement to pay those OCL Fees. If you do not agree to the OCL Fees, you must discontinue your use of the Services.

  3. Termination.

    Offchain Labs reserves the right to terminate this Agreement: (a) if Developer materially breaches any of its obligations under the Terms and such breach remains uncured for at least 30 calendar days after written notice (if capable of cure); (b) immediately upon written notice if the breach is not capable of cure; and/or (c) for any reason, upon 14 calendar days' prior written notice to Developer. Upon termination, all rights and licenses granted to you under this Agreement will immediately cease, and any provisions of this Agreement that by their nature should survive termination will remain in effect.

  4. Developer Responsibilities.
    1. You must clearly disclose to End Users that their use of the Arbitrum Bridge is governed by the Terms of Service and provide accessible links to these terms within your user interface. You are responsible for ensuring that End Users accept and comply with those terms prior to permitting access to or use of the Arbitrum Bridge through Your Services.
    2. You must ensure your use of the Services complies with all applicable laws and regulations, including consumer protection, anti-money laundering, sanctions, and securities laws.
    3. You must not white-label, rebrand, or misrepresent the Services or the Arbitrum Bridge as your own.
    4. You must not use or provide the Services for fraudulent, deceptive, or unlawful activities.
    5. You must not encourage or facilitate high-risk or restricted transactions (e.g., involving mixers, tumblers, or sanctioned jurisdictions).
    6. You must not use or provide the Services to develop, market, or operate a competing product or service.
    7. You must not use or provide the Services in any way that infringes, misappropriates, or violates third-party rights, including intellectual property, privacy, or publicity rights.
    8. You must not interfere with, disrupt, or attempt to disrupt the Services, Arbitrum Bridge or any connected blockchain network or protocol.
    9. You must not bypass or attempt to bypass any security features, access controls, or usage limitations.
    10. You must not reverse engineer, decompile, disassemble, or attempt to derive the source code, algorithms, or trade secrets of the Services.
    11. You must not sell, rent, lease, sublicense, or otherwise provide access to the Services to any third party without prior written consent.
    12. You must not use or provide the Services in a manner that could damage, disable, overburden, or impair the Services, the Arbitrum Bridge or interfere with others' use.
    13. You must promptly notify us of any actual or suspected security breach, unauthorized access, or misuse of the Services or Arbitrum Bridge.
  5. Disclaimer of Warranties and Assumption of Risks

    THE SERVICES ARE PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND. OFFCHAIN LABS DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, ACCURACY AND AVAILABILITY. OFFCHAIN LABS DOES NOT GUARANTEE THE FUNCTIONALITY OR SECURITY OF ANY THIRD-PARTY SERVICES, BLOCKCHAIN NETWORK, OR BLOCKCHAIN PROTOCOL.

    OFFCHAIN LABS DOES NOT GUARANTEE THE ACCURACY, PERFORMANCE, OR RELIABILITY OF THE SERVICES, DOES NOT WARRANT UNINTERRUPTED OR SECURE ACCESS, AND DISCLAIMS RESPONSIBILITY FOR ANY LOSS OR DAMAGES INCURRED THROUGH USE.

    THE SERVICES DEPEND ON DECENTRALIZED SMART CONTRACTS, THIRD-PARTY PROTOCOLS, BLOCKCHAIN NETWORKS, AND RELATED INFRASTRUCTURE THAT ARE EXPERIMENTAL IN NATURE. THESE COMPONENTS ARE NOT OWNED, OPERATED, OR CONTROLLED BY OFFCHAIN LABS AND MAY BE SUBJECT TO SECURITY VULNERABILITIES, BUGS, ERRORS, OR UNPREDICTABLE BEHAVIOR. USE OF THE SERVICES INVOLVES SIGNIFICANT RISKS, INCLUDING BUT NOT LIMITED TO: LOSS OF FUNDS DUE TO SMART CONTRACT FAILURE OR EXPLOITATION, FAILED OR DELAYED TRANSACTIONS, CHANGES IN PROTOCOL BEHAVIOR, RELIANCE ON UNAFFILIATED THIRD-PARTY INFRASTRUCTURE, AND POTENTIAL LEGAL OR REGULATORY CHANGES.

    YOU ACKNOWLEDGE AND AGREE THAT YOUR DECISION TO USE OR PROVIDE THE SERVICES TO END USERS IS ENTIRELY AT YOUR OWN RISK. YOU ACKNOWLEDGE AND AGREE THAT OFFCHAIN LABS WILL NOT BE RESPONSIBLE OR LIABLE FOR ANY LOSS, DAMAGE, OR CLAIM INCURRED BY YOU OR YOUR END USERS IN CONNECTION WITH THE USE OF THE SERVICES, INCLUDING BUT NOT LIMITED TO LOSS OF DIGITAL ASSETS, FAILED TRANSACTIONS, OR SECURITY BREACHES.

  6. Changes to the Services and Terms

    Offchain Labs reserves the right, in its sole discretion, to modify, suspend, or discontinue the Services, or any features or components thereof, whether temporarily or permanently, at any time, with or without prior notice to you. You acknowledge that Offchain Labs will not be liable to you or any third party for any modification, suspension, or discontinuation of the Services or Arbitrum Bridge.

    Offchain Labs may change this Agreement from time to time at its discretion. The date on which the Agreement was last modified will be updated at the top of this Agreement. If you access or use the Services after the effective date of the revised Agreement, such access and use will constitute your acceptance of the revised Agreement. If you do not agree to the updated terms, you must discontinue using and providing the Services.