EMERGENCY RESPONDERS HEALTH CENTER NOTICE OF DATA PRIVACY EVENT Boise, ID – Emergency Responders Health Center ("ERHC") is providing notice that it has experienced a cybersecurity event. ERHC takes this event very seriously and is providing information about the event, its response, and resources available to individuals to help protect their information, should they feel it appropriate to do so. What Happened? On April 11, 2025, ERHC detected unusual activity in one of its email accounts. Upon becoming aware of this, ERHC immediately secured the account and promptly engaged a specialized third-party cybersecurity firm to conduct a comprehensive forensic investigation into the nature and scope of the issue. The forensic investigation determined that several ERHC email accounts may have been compromised by an unauthorized actor between December 11, 2024, to April 11, 2025. However, there was no unauthorized access or risk to ERHC's electronic medical records system. The accounts have since been secured. Based on these findings, ERHC reviewed the affected accounts to identify the specific individuals and the types of information that may have been at risk. Furthermore, ERHC worked to locate all missing addresses in order to notify all individuals and completed this work on October 31, 2025. What Information Was Involved? The information involved varies by individual but includes individuals' names, dates of birth, Social Security numbers, internal reference and identification numbers, medical information, and insurance information. What ERHC Is Doing. ERHC takes this event seriously and the privacy, security, and confidentiality of information in its care are among its highest priorities. Upon becoming aware of the event, ERHC moved quickly to promptly investigate and respond to the event. Specifically, ERHC took steps to secure its systems and are implementing additional technical safeguards and enhanced security measures to mitigate against the risk of future issues. ERHC is notifying potentially affected individuals for whom ERHC has a valid mailing address via U.S. mail and offering them credit monitoring and identity protection services. ERHC is also notifying applicable regulators. ERHC understands and appreciates any concerns and encourages those affected to take steps to protect against identity theft. How Will Individuals Know If They Are Affected By This Event? ERHC is mailing a notice letter to individuals whose information was determined to be in the affected files, for whom a valid mailing address is available. If an individual does not receive a letter but would like to know if they are affected, they may call ERHC's dedicated assistance line, provided below. Who Should Individuals Contact for More Information? If individuals have questions, they may call ERHC's dedicated assistance line at 800-695-7289, between 8am to 11pm ET, Monday through Friday, and 9am to 6pm ET, Saturday (excluding U.S. national holidays). What You Can Do. ERHC encourages all individuals to remain vigilant against incidents of identity theft and fraud, to review their account statements, to monitor their credit reports for suspicious or unauthorized activity, and to report any suspicious activity promptly to their bank, credit card company, or other applicable institution. Under U.S. law, individuals are entitled to one free credit report annually from each of the three major credit reporting bureaus. To order a free credit report, you can visit www.annualcreditreport.com or call toll-free at 1-877-322-8228. You can also order your annual free credit report by mailing a completed Annual Credit Report Request Form (available at www.consumer.ftc.gov/articles/0155-free-credit-reports) to: Annual Credit Report Request Service, P.O. Box 105281, Atlanta, GA, 30348-5281. You also have the right to place a security freeze on your credit report. A security freeze is intended to prevent credit, loans, and services from being approved in your name without your consent. To place a security freeze on your credit report, you need to make a request to each consumer reporting agency. You may make that request by certified mail, overnight mail, regular stamped mail, or by following the instructions found at the websites listed below. The following information must be included when requesting a security freeze (note that if you are requesting a credit report for your spouse or a minor under the age of 16, this information must be provided for him/her as well): (1) full name, with middle initial and any suffixes; (2) Social Security number; (3) date of birth; (4) current address and any previous addresses for the past five years; (5) proof of current address (such as a copy of a government-issued identification card, a recent utility bill, or bank or insurance statement); and (6) other personal information as required by the applicable credit reporting agency. It is essential that each copy be legible, display your name and current mailing address, and the date of issue. Pursuant to federal law, consumers cannot be charged to place or lift a credit freeze on their credit report. You may obtain a free security freeze by contacting any one or more of the following national consumer reporting agencies: Equifax • www.equifax.com/personal/credit-report-services/credit-freeze/ • 1-888-298-0045 • Equifax Security Freeze, P.O. Box 105788 Atlanta, GA 30348-5788 Experian • www.experian.com/freeze/center.html • 1-888-397-3742 • Experian Security Freeze, P.O. Box 9554, Allen, TX 75013 TransUnion • www.transunion.com/credit-freeze • 1-800-916-8800 • TransUnion Security Freeze, P.O. Box 160, Woodlyn, PA 19094 You can place fraud alerts with the three credit bureaus by phone and online with: • Equifax (https://assets.equifax.com/assets/personal/Fraud_Alert_Request_Form.pdf); • TransUnion (www.transunion.com/fraud-alerts); or • Experian (www.experian.com/fraud/center.html). A fraud alert tells creditors to follow certain procedures, including contacting you, before they open any new accounts or change your existing accounts. For that reason, placing a fraud alert can protect you, but also may delay you when you seek to obtain credit. Initial fraud alerts last for one year. Victims of identity theft can also get an extended fraud alert for seven years. The phone numbers for all three credit bureaus are above. You have the right to file or obtain a police report if you experience identity fraud. Please note that in order to file a crime report or incident report with law enforcement for identity theft, you will likely need to provide proof that you have been a victim. A police report is often required to dispute fraudulent items. Instances of known or suspected identity theft should also be reported to law enforcement or to the Attorney General's office in your home jurisdiction. This notice has not been delayed by law enforcement. You can further educate yourself regarding identity theft, fraud alerts, security freezes, and the steps you can take to protect yourself, by contacting the consumer reporting agencies, the Federal Trade Commission, or your state Attorney General. The Federal Trade Commission can be reached at: 600 Pennsylvania Avenue NW, Washington, DC 20580, www.identitytheft.gov, 1-877-ID-THEFT (1-877-438-4338), TTY: 1-866-653-4261. The Federal Trade Commission also encourages those who discover that their information has been misused to file a complaint with them. You can obtain further information on how to file such a complaint by way of the contact information listed above. IPL0295402 Dec 12 2025