PUBLIC NOTICE OF BID We will conduct a public invitation for bids as follows. October 27, 2026 Accounting Officer: Director General, National Hospital Organization Tokyo Hospital, Hiroshi Matsui (Seal Omitted) 1. Matters for Competitive Bidding (1) Subject: Outsourcing of Holter ECG Analysis Services, One Lot (2) Performance Details: As per the separately provided "Holter ECG Analysis Services Specification." (3) Performance Period: From January 1, 2027, to December 31, 2027. (4) Place of Performance: National Hospital Organization Tokyo Hospital, 3-1-1 Takeoka, Kiyose-shi, Tokyo. 2. Qualifications Required for Bidders: (1) Not falling under the provisions of Article 5 of the National Hospital Organization Contract Administration Regulations (hereinafter referred to as "Contract Regulations"). However, minors, persons under guardianship or assistance, who have obtained the necessary consent for contract conclusion, fall under the case where there are special reasons in the same article. (2) Not falling under the provisions of Article 6 of the Contract Regulations. (3) Must be rated in grade A, B, C, or D for "Provision of Services, etc." in the Ministry of Health, Labour and Welfare Bidding Qualifications (All-Ministry Unified Qualifications) and possess bidding qualifications in the Kanto-Koshinetsu region. However, participation is not permitted during the period of suspension of registration qualifications. (4) Those who are currently applying for the qualification examination specified in (3) and have not yet received the result notification may participate in the bidding by submitting a copy of the application receipt, the latest financial statements, and a company profile (including employee numbers, etc.). However, if the result notification is not submitted by the contract conclusion date, the bid may be invalidated. (5) Must have obtained Privacy Mark certification, JISQ27001 certification, ISO/IEC27001 certification, etc. (hereinafter referred to as "Personal Information Protection Certifications"), or be expected to obtain such certifications by the contract start date and be able to submit supporting documents. (6) Possess qualifications determined by the Accounting Officer based on the provisions of Article 4 of the Contract Regulations. 3. Location for Contract Terms and Delivery of Specifications, etc.: (1) Location for contract terms, and location and period for delivery of bid explanation documents and specifications: Location: National Hospital Organization Tokyo Hospital, Administrative Department, Planning Division, Contract Section. Period: From October 27, 2026, to November 19, 2026, weekdays from 9:00 AM to 5:00 PM. (2) Location and deadline for submission of bid forms and technical evaluation (pre-qualification documents): Location: National Hospital Organization Tokyo Hospital, Administrative Department, Planning Division, Contract Section. Deadline: November 19, 2026 (Thursday), 5:00 PM. (3) Bid Explanation Meeting Location and Date: Not held. 4. Bid Execution Location and Date: Location: National Hospital Organization Tokyo Hospital, Management Building 1st Floor, Conference Room 2. Date: November 20, 2026 (Friday), 11:00 AM. 5. Other: (1) Language and currency to be used in contract procedures: Japanese and Japanese currency. (2) Bid security and contract security: Exempt. (3) Matters required of bidders: Those wishing to participate in this public bidding must submit a sealed bid form along with documents proving their ability to provide the services specified in this announcement by the bid form submission deadline. Bidders shall respond to requests for explanation regarding such documents from the Accounting Officer by the day before the bid opening. (4) Invalid bids: Bids submitted by persons who do not meet the eligibility requirements for bidding specified in this announcement, bids that violate the bidding conditions stated in the bid explanation document, and bids from those who have not fulfilled the obligations required of bidders shall be deemed invalid. (5) Requirement for contract document creation: Required. (6) Contract Negotiation Rights Holder and Contract Price Determination Method: Among valid bid forms, the bidder who has submitted a bid price within the estimated price shall be the contract negotiation rights holder (if there are multiple, negotiation order will be assigned according to bid price. If there are multiple bids with the same price, the negotiation order will be determined by drawing lots), and the contract price will be determined through negotiation. (7) Period for Acceptance of Contract Complaints: Complaints regarding this contract must be submitted in writing within 5 days from the date the cause of the complaint occurred. Complaints from parties not directly involved will not be accepted within the acceptance period. (8) Other (including complaint acceptance) Contact Information: Contact: National Hospital Organization Tokyo Hospital, Administrative Department, Planning Division, Operations Team, Contract Section, 3-1-1 Takeoka, Kiyose-shi, Tokyo 204-8585. Phone: 042-491-2918. FAX: 042-494-2830. Inquiries shall be limited to matters related to this announcement. (9) Details are provided in the bid explanation document.