Ackerstein Group Ltd. — Major Shareholding Notification 2026

Apr 12, 2026

This is an unofficial AI generated translation of the official Hebrew version and has no binding force. The only binding version is the official Hebrew version. For more information, please review the legal disclaimer.

Ackerstein Group Ltd
ACKERSTEIN GROUP LTD
Registrar number: 512714494

To: Israel Securities Authority
www.isa.gov.il

To: Tel Aviv Stock Exchange Ltd.
www.tase.co.il

T078 (Public)
www.tase.co.il

Filed via MAGNA: 12/04/2026
Reference: 2026-01-033289

Immediate report on a person who has become an interested party in the corporation
Regulation 33(e)-(f) of the Securities Regulations (Periodic and Immediate Reports), 1970

1. Details of the holder:

First name: ____

First name in English as it appears in the passport: ____

Last name/Corporation name: Harel Insurance Investments and Financial Services Ltd

Last name/Corporation name in English: Harel Insurance Investments & Financial Services Ltd

Type of identification number: Number in the Israeli Registrar of Companies ☐ The holder is a corporation

Identification number: 520033986

Citizenship/Country of incorporation or registration: Incorporated in Israel

Country of citizenship/incorporation or registration: ____

Address: 3 Aba Hillel, Ramat Gan

Does the holder serve as a representative for the purpose of reporting for a number of shareholders holding together with him securities of the corporation: Yes

Name of the controlling shareholder in the interested party: See below

Identification number of the controlling shareholder in the interested party: See below

2. Details of the transaction by reason of which the holder became an interested party in the corporation:

a. Nature of the transaction Increased to purchase on the stock exchange

b. Name and type of security that is the subject of the transaction: Ackerstein ordinary share

c. Security number on the stock exchange: 1176205

d. Date of execution of the transaction 10/04/2026

e. Quantity of securities that are the subject of the transaction: 14,618,560

f. Price at which the transaction was executed: 900.67Agorot

g. Whether they are dormant shares or securities convertible into dormant shares No

h. Whether the entire consideration was paid at the date of the change Yes

If the entire consideration was not paid at the date of the change, please specify the date of completion of payment

3. a. Holdings position of the interested party after the transaction:

---

This is an unofficial AI generated translation of the official Hebrew version and has no binding force. The only binding version is the official Hebrew version. For more information, please review the legal disclaimer.

Name, type and series 330' of the security	Security number on the stock exchange	Quantity of securities	Dormant*	Holding rate		Holding rate (full dilution)
				% of capital	% of voting	% of capital	% of voting
Ackerstein ordinary share	1176205	19,126,447	No	6.63	6.63	6.44	6.44

b. ☐ The holder is not a member of an institutional reporting group.

☐ The holder is not a member of an institutional reporting group, but serves as a senior officer who is not a CEO or director and is not an interested party by virtue of his holdings.

☐ The holder is a hedge fund as defined in the Joint Investment Trust Regulations (Assets which may be purchased and held by a fund and their maximum percentages), 1994.

The hedge fund has the right to appoint a director or its representative on the company's board of directors

☐ The holder is a member of an institutional reporting group.

The details of his holdings are as follows:

The holder	Name type and series 330' of the security	Security number on the stock exchange	Quantity of securities	Dormant
Provident funds and companies managing provident funds	Ackerstein ordinary share	1176205	14,618,560	No
Companies managing mutual funds	Ackerstein ordinary share	1176205	4,523,282	No
Nostro account	Ackerstein ordinary share	1176205	0	No

Explanations:

1. If the interested party holds more than one type of security, the holding percentages taking into account all securities held by him should be indicated in only one of the rows.
2. Securities of other types, including other securities that are not listed for trading, should also be reported.
3. In a case where the interested party is a subsidiary, the holdings should be split between shares purchased prior to the entry into force of the Companies Law, 1999, and shares purchased after its entry into force.
4. When the holder is not a member of an institutional reporting group, only section 3a should be filled out. When the holder is a member of an institutional reporting group, sections 3a and 3b must be filled out.
5. If the interested party is a corporation wholly owned (100%) by a single controlling shareholder, the field "Name of the holder" should state the name of the single controlling shareholder, and in the notes at the bottom of the form the details of the corporation or corporations through which the shares are held shall be provided, together with any other relevant detail. Conversely, if the interested party is a corporation held by more than one controlling shareholder, or held by several interested parties, the field "Name of the holder" should state the name of the holding corporation, and in the notes at the bottom of the form the details of the controlling shareholders or interested parties who hold the holding corporation shall be provided.
6. Reporting regarding a holder of a significant means of control in a banking corporation with no controlling core shall be reported in report T121.

7. It should be indicated whether these are dormant shares or securities convertible into dormant shares

8. ☐ The interested party does not hold shares or other securities in a held company, if its activity is material to the activity of the reporting corporation

☐ The interested party holds shares or other securities in a held company, if its activity is material to the activity of the reporting corporation, as detailed below:

1 Name of the held company if its activity is material to the activity of the reporting corporation:

Type of identification number:

Identification number:

Country of incorporation or registration: Country:

Nature of relationship to the reporting corporation:

Type of security: Security number:

Quantity of securities:

---

This is an unofficial AI generated translation of the official Hebrew version and has no binding force. The only binding version is the official Hebrew version. For more information, please review the legal disclaimer.

Holding rate out of the total securities of the same type: %

Holding rate in capital: % Holding rate in voting power: %

1. Additional details:

Controlling shareholders: Yair Hamburger ID 007048671 Gideon Hamburger ID 007048663 Nurit Manor ID 051171312 The holdings of the controlling shareholders in the company are mainly through G.Y.N. Economic Consulting and Investment Management 2017 Limited Partnership (partnership number 550272587) ("G.Y.N Partnership"). A partnership under the full ownership and control of the controlling shareholders, in which they hold as limited partners, through private companies wholly owned by them, and they also hold the general partner in the G.Y.N Partnership. It should be noted that the balance as of 10/04/2026 in the nostro account is 15,395- ordinary shares of the company.

1. The date and time on which the corporation first became aware of the event or matter 12/04/2026 at 14:00

Details of the authorized signatories to sign on behalf of the corporation:

Name of signatory	Position
Saar Egozi	Company Legal Counsel

Explanation: According to Regulation 5 of the Securities Regulations (Periodic and Immediate Reports), 1970, a report submitted pursuant to these regulations shall be signed by those authorized to sign on behalf of the corporation. The staff's position on the subject can be found on the Authority's website: Click here.

Reference numbers of previous documents on the subject (the reference does not constitute inclusion by way of reference):

Securities of the corporation are listed for trading on the Tel Aviv Stock Exchange

Date of last update of the form structure: 04/02/2025

Short name: Ackerstein Group

Address: Medinat HaYehudim103, Herzliya4676679 Telephone: 09-9596622, Fax: 09-9543130

E-mail: saare@ackerstein.co.il Company

website: http://www.ackerstein.co.il/profile

Previous names of reporting entity:

Name of electronic reporter: Saar Egozi Position: Legal Counsel and Company Secretary Employer name:

Address: Medinat HaYehudim103, Herzliya 4676679 Telephone: 09-9596622 Fax: 09-6556770 E-mail: SaarE@ackerstein.co.il