MXB Battery Operations LP Data Breach Notification

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March 26, 2026 Dear : MXB Battery Operations LP (“The Battery”) is writing to inform you of an event that may have involved some of your personal information. We take the privacy and security of data in our care very seriously and are providing information about the event, our response, and steps you can take to help protect your information. The information may have included your first and last name, in combination with your

We have taken steps to address the event and are committed to protecting the information entrusted to us. Upon learning of this event, we immediately took steps to secure our systems and investigate the event. As an additional safeguard for information, we arranged for you to enroll, at no cost to you, in an online credit monitoring services detailed in the letter you were previously provided. In addition to enrolling in the complimentary credit monitoring service detailed within, we recommend that you remain vigilant against incidents of identity theft and fraud by reviewing your credit reports/account statements for suspicious activity and to detect errors. If you discover any suspicious or unusual activity on your accounts, please promptly contact the financial institution or company. Additionally, you can enroll to receive the complimentary credit monitoring service we are making available to you. You can also review the enclosed “Steps You Can Take to Help Protect Your Information” for additional resources. We take the security of information in our care seriously and we acted promptly to ensure this event was remediated and that none of the information described above would be misused. We regret this event occurred and apologize for any concern.

Sincerely, THE BATTERY

c/o CyberscoutRenton, WA 98057555 Monster Rd SW

STEPS YOU CAN TAKE TO HELP PROTECT YOUR INFORMATION Enroll in Credit Monitoring and Identity Protection Services

In response to the incident, we are providing you with access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge. These services provide you with alerts for 24 months from the date of enrollment when changes occur to your credit file. This notification is sent to you the same day that the change or update takes place with the bureau. Finally, we are providing you with proactive fraud assistance to help with any questions that you might have or in event that you become a victim of fraud. These services will be provided by Cyberscout, a TransUnion company specializing in fraud assistance and remediation services. To enroll in Credit Monitoring services at no charge, please log on to https://bfs.cyberscout.com/activate and follow the instructions provided. When prompted please provide the following unique code to receive services: In order for you to receive the monitoring services described above, you must enroll within 90 days from the date of this letter. The enrollment requires an internet connection and e-mail account and may not be available to minors under the age of 18 years of age. Please note that when signing up for monitoring services, you may be asked to verify personal information for your own protection to confirm your identity.

Monitor Your Accounts

We encourage you to remain vigilant against incidents of identity theft and fraud by reviewing your credit reports and account statements for suspicious activity and to detect errors. Under U.S. law, you are entitled to one free credit report annually from each of the three major credit reporting bureaus, TransUnion, Experian, and Equifax. To order your free credit report, visit www.annualcreditreport.com or call 1-877-322-8228. Once you receive your credit report, review it for discrepancies and identify any accounts you did not open or inquiries from creditors that you did not authorize. If you have questions or notice incorrect information, contact the credit reporting bureau. You have the right to place an initial or extended “fraud alert” on a credit file at no cost. An initial fraud alert is a one-year alert that is placed on a consumer’s credit file. Upon seeing a fraud alert, a business is required to take steps to verify the consumer’s identity before extending new credit. If you are a victim of identity theft, you are entitled to an extended fraud alert lasting seven years. Should you wish to place a fraud alert, please contact any of the three credit reporting bureaus listed below. As an alternative to a fraud alert, you have the right to place a “credit freeze” on a credit report, which will prohibit a credit bureau from releasing information in the credit report without your express authorization. The credit freeze is designed to prevent credit, loans, and services from being approved in your name without your consent. However, you should be aware that using a credit freeze may delay, interfere with, or prohibit the timely approval of any subsequent request or application you make regarding a new loan, credit, mortgage, or any other account involving the extension of credit. Pursuant to federal law, you cannot be charged to place or lift a credit freeze on your credit report. To request a credit freeze, you will need to provide the following information:

1. Full name (including middle initial as well as Jr., Sr., III, etc.);
2. Social Security number;
3. Date of birth;
4. Address for the prior two to five years;
5. Proof of current address, such as a current utility or telephone bill;

6. A legible photocopy of a government-issued identification card (e.g., state driver’s license or
   identification card); and

7. A copy of either the police report, investigative report, or complaint to a law enforcement agency
   concerning identity theft, if you are a victim of identity theft.

)EqCD90D+f+ sQ|cd@E@-V a!!aa!!!a!aa!!a! 0001374Should you wish to place a fraud alert or credit freeze, please contact the three major credit reporting bureaus

listed below:

TransUnion Experian Equifax

1-800-680-7289 1-888-397-3742 1-888-298-0045 www.transunion.com www.experian.com www.equifax.com

TransUnion Fraud Alert Experian Fraud Alert Equifax Fraud Alert

P.O. Box 2000 P.O. Box 9554 P.O. Box 105069 Chester, PA 19016-2000 Allen, TX 75013 Atlanta, GA 30348-5069

TransUnion Credit Freeze Experian Credit Freeze Equifax Credit Freeze

P.O. Box 160 P.O. Box 9554 P.O. Box 105788 Woodlyn, PA 19094 Allen, TX 75013 Atlanta, GA 30348-5788

Additional Information

You can further educate yourself regarding identity theft, fraud alerts, credit freezes, and the steps you can take to protect your personal information by contacting the credit reporting bureaus, the Federal Trade Commission (FTC), or your state Attorney General. The FTC also encourages those who discover that their information has been misused to file a complaint with them. The FTC may be reached at 600 Pennsylvania Ave. NW, Washington, D.C. 20580; www.identitytheft.gov; 1-877-ID-THEFT (1-877-438-4338); and TTY: 1-866-653-4261. You have the right to file a police report if you ever experience identity theft or fraud. Please note that in order to file a report with law enforcement for identity theft, you will likely need to provide some proof that you have been a victim. Instances of known or suspected identity theft should also be reported to law enforcement, your state Attorney General, and the FTC. This notice has not been delayed by law enforcement.