R139/2018-A-NL1-25.04 Rev. 1

OIML Member State The Netherlands

Number R139/2018-A-NL1-25.04 revision 1

Project number 4008654

Page 1 of 5

Issuing authority NMi Certin B.V. Person responsible: M.Ph.D. Schmidt

Applicant and LC Hydrogen Metrology S.R.L.

Manufacturer Via Comina 3

33080 San Quirino (PN)

Italy

Identification of the certified type

A [compressed gas (CG) dispenser] for Hydrogen

Manufacturers mark: Type:

LC Hydrogen Metrology S.R.L. [MM-001; DI006, DI008; DI-ABB; DIXYZ]

Characteristics

See following page(s)

This OIML Certificate is issued under scheme A.

This Certificate attests the conformity of the above identified type (represented by the sample(s) identified in the OIML Type Evaluation Report) with the requirements of the following Recommendation of the International Organization of Legal Metrology (OIML):

R 139:2018 "Compressed gaseous fuel measuring systems for vehicles"

Accuracy class 2

This Certificate relates only to the metrological and technical characteristics of the type of measuring instrument covered by the relevant OIML International Recommendation identified above. This Certificate does not bestow any form of legal international approval.

This certificate and supporting reports comply with the requirements of OIML-CS-PD-07 clause 6.2.

Important note: Apart from the mention of the Certificate's reference number and the name of the OIML Member State in which the Certificate was issued, partial quotation of the Certificate and of the associated OIML Type Evaluation Report(s) is not permitted, although either may be reproduced in full.

Issuing Authority

NMi Certin B.V., OIML Issuing Authority NL1 26 February 2026

Certification Board

This document is issued under the provision that no liability is accepted and that the applicant shall indemnify third-party liability.

This document is digitally signed and sealed. The digital signature can be verified in the blue ribbon at the top of the electronic version of this certificate.

Number R139/2018-A-NL1-25.04 revision 1

Project number 4008654

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The conformity was established by the results of tests and examinations provided in the associated report(s):

• NMi-3963582-01 dated 13 October 2025 that includes 38 pages;

• NMi-3963582-02 dated 13 October 2025 that includes 34 pages.

• NMi-3882700-01 dated 13 October 2025 that includes 37 pages.

In Table 1 the general characteristics of the measuring instrument are presented.

Characteristics of the measuring instrument

The construction of the measuring instrument is recorded in the documentation folder number T9050-2.

Each CG dispenser consists at least of one measuring system made up of the following essential parts: A flow meter (measurement sensor and transducer); and

• A calculating/indicating device.

There are five different type designations:

• MM-001

• General type designation for the metrological module used when designing and constructing the dispenser.

• DI006

A single 700 bar dispenser with one measuring system and one hose, with a maximum refuelling flow rate of 60 g/s.

• DI008

A single 350 bar dispenser with one measuring system and one hose, with a maximum refuelling flow rate of 60 g/s.

The DI008 can be operated in LDV (Light Duty Vehicle) or HDV (Heavy Duty Vehicle) mode, the mode is selected via push buttons on the dispenser. The difference between the LDV and HDV mode is the refuelling protocol used for refuelling.

Number R139/2018-A-NL1-25.04 revision 1

Project number 4008654

Page 3 of 5

• DI-ABB

• A single 350 bar dispenser with one measuring system and one hose, metrologically identical to DI008 when operating in HDV mode.

• DIXYZ *

A Multiple-Dispenser that can be constructed by combining up to 2 or 3 different independent measuring systems (DI006, DI008 and/or DI-ABB).

*) X, Y, Z denotes the actual measuring systems which make up the Multiple-Dispenser. The following options are possible: 0: no dispenser, 6: DI006, 8: DI008 or B: DI-ABB (e.g. DI068, is a multiple-dispenser consisting of a DI006 and DI008 measuring system).

The CG dispenser automatically depressurizes the entire section from the filling valve up to and including the hose via the purge/vent valve for safety reasons. Delivery is only allowed when the purge/vent valve is fully closed.

In Table 2 the overview of the essential parts of the measuring instrument are presented.

OIML Member State The Netherlands

Number R139/2018-A-NL1-25.04 revision 1 Project number 4008654 Page 4 of 5

OIML Member State The Netherlands

Number R139/2018-A-NL1-25.04 revision 1 Project number 4008654

Page 5 of 5

Certificate history: This revision replaces the previous version.