Leping

Specialists in Ground Penetrating Radars.

Radar Systems, Inc. Darzauglu 1-105,

LV-1012, Riga,

Latvia. Phone/fax: (+371)-67141041

Web: www.radsys.lv

E-mail: [email protected]

To: Tavo Ani

Senior Geologist

Geological Survey of Estonia

F. R. Kreutzwaldi 5, 44314 Rakvere, Estonia

E-mail: [email protected]

October 06, 2025

Dear Mr. Tavo Ani,

Hereby I would like to offer you the Ground Penetrating Radar “Zond x500” and its

accessories consisting of:

1. Zond x500 GPR *

Ground Penetrating Radar with built-in shielded air launched antenna unit with central

frequency 500 MHz and lithium-ion battery for 8-12 working hours per one. Ingress

protection is IP67. Includes battery charger, tow-handle, cables, user’s manuals, Prism2

acquisition and 2D processing software with perpetual license for 2 PC, etc. GPR weight is

7.2 kg** without packaging.

11,975.00 EUR

2. Shockproof cart Shockproof cart with built in survey wheel encoder (300 mm, 1000 ppr). Maximum speed is

10 km/h. Cart weight is 14.0 kg without packaging.

1,370.00 EUR

3. zBell RTK GNSS receiver Multifrequency RTK GNSS receiver (GPS L1C/A L2C, GLONASS L1OF L2OF, Galileo

E1B/C E5b, BeiDou B1I B2I, QZSS L1C/A L1S L2C, SBAS L1C/A) with 1 cm accuracy

(in RTK mode) and built-in Li-Po battery for 8 working hours. Ingress protection is IP67.

zBell weight is 0.45 kg without packaging.

1,200.00 EUR

4. Survey wheel Survey wheel with built-in encoder (200 mm, 1000 ppr). Wheel weight 1.2 kg without

packaging.

445.00 EUR

5. Field tablet PC Panasonic Toughbook G2 (FZ-G2) Mark 3 (optional) Intel Ultra 5 CPU, 16 GB RAM, 512 GB SSD, 10.1” touchscreen, Windows 11, LAN, Wi-

Fi, Bluetooth.

2,980.00 EUR

Total EXW RadSys office 17,970.00 EUR Handling 50.00 EUR

Shipping ***

to Ravila 14A, 50411, Tartu, Estonia 280.00 EUR

Total CPT Tartu 18,300.00 EUR

_____________________________________________ * GPR does not contain Notebook Personal Computer (PC) or any other logger. Minimal PC requirements: Windows 8.x/10/11, CPU Core

i5, RAM 4 GB, Bluetooth 2.0 and Wi-Fi. ** GPR weight includes GPR only (without its accessories and carrying case).

*** Equipment contains build-in Lithium Ion Battery. Its transportation has to be in accordance with IATA and EU rules.

Terms & Conditions:

- All prices are indicated without VAT

- Payment method: 100% payment in advance by bank transfer

- Delivery time: 4-6 weeks after prepayment receiving

- One-Year Limited Warranty commencing on the date of purchase under condition of delivery of failed components

to Riga, Latvia. Warranty doesn't cover any mechanical damages and also the equipment with signs of mechanical,

thermal, water or chemicals damages. Warranty doesn't cover the cost of transportation.

- Non-warranty repairs are performed for extra pay.

- Validity of the offer: 31.12.2025

Sincerely Yours Vladimir Zolotarev, managing director.

ANNEX 2 – ACCEPTANCE‑DELIVERY CERTIFICATE

(ÜLEANDMISE‑VASTUVÕTU AKT)

Contract No.: ____________ Contract Date: ____________

Seller (Radar Systems Inc): ____________________________

Buyer (Eesti Geoloogiateenistus): ____________________________

Contract Object / Lepingueseme kirjeldus

Zond x500 Ground-Penetrating Radar (GPR) system, together with accessories and documentation as defined in Annex 1 (Seller’s Quotation Zond_x500_GPR_Quotation_2.pdf: Technical Specification & Supply Scope) (the “Equipment”).

Signatures / Allkirjad

Eesti Geoloogiateenistus contact person: Name: Tavo Ani Signature: ________________ Date: _______________

Radar Systems Inc representer: Name: Sergey Zelenkov Signature: ________________ Date: _______________

SALES CONTRACT No. 8-1/25-364-1

Concluded on [date].

Buyer: Geological Survey of Estonia (EGT), registry code 77000387 , VAT/KMKR

No. EE102038860, address F. R. Kreutzwaldi tn 5, 44314 Rakvere, Estonia

represented by Sirli Sipp Kulli , Director (hereinafter the “Buyer”).

Seller: Radar Systems Inc, registry code 40003304651, VAT No. LV40003304651,

address Darzauglu str. 1-105, Riga, LV1012, Latvia, represented by Vladimirs

Zolotajovs (hereinafter the “Seller”).

The Buyer and the Seller individually a “Party”, and jointly the “Parties.”

1. Subject of the Contract

1.1. The Seller sells and delivers to the Buyer, and the Buyer purchases and accepts,

the following equipment: Zond x500 Ground-Penetrating Radar (GPR) system,

together with accessories and documentation as defined in Annex 1 (Seller’s

Quotation Zond_x500_GPR_Quotation_2.pdf: Technical Specification & Supply

Scope) (the “Equipment”).

1.2. The supply includes, in addition to the Equipment: standard accessories, cables,

batteries/chargers, software licence(s), and user manuals (English or Estonian).

1.3. The Annexes listed in Section 15 form an integral part of this Contract. In case of

inconsistency, the order of precedence is specified in Section 15.2.

2. Price and Payment Terms

2.1. The total Contract price is 18 300 EUR exclusive of VAT. Prices are firm and

include delivery according to Section 3.

2.2. Invoicing and payment: Net 21 calendar days from the date the Acceptance-

Delivery Certificate is signed by the Parties. Invoices are issued as e-invoice or

PDF to [email protected].

2.3. Late payment interest: 0.05% per day on the overdue amount, capped at 10% of

the invoice amount. The Buyer may set-off; the Seller may do so only with the

Buyer’s prior written consent.

3. Delivery, Risk and Title

3.1. Delivery time: No later than 31.12.2025.

3.2. Delivery term: Eesti Geoloogiateenistus, Ravila 14a, 50411, Tartu, Estonia

(unless otherwise agreed in writing). The Seller bears transport and insurance costs

up to handover to the Buyer at the place of delivery.

3.3. Risk of loss or damage passes to the Buyer upon physical handover at the place

of delivery. Title passes upon full payment of the Contract price.

3.4. The Seller shall provide all shipping and compliance documents (commercial

invoice, packing list, transport documents, certificate of origin if applicable, EU

conformity/CE documentation, etc.).

4. Inspection and Acceptance

4.1. Upon delivery the Buyer performs a visual inspection and checks documentation.

4.2. A functional check will be carried out within 14 business days from delivery to

verify conformity with Annex 1. The functional check includes at minimum: power-on

and self-test; firmware/licence verification; antenna recognition; basic scan in a

controlled area confirming data acquisition and storage; verification that user

manuals have been delivered.

4.3. If non-conformities are found, the Buyer issues a Defect Report with a

reasonable remedy period. The Seller remedies defects at its cost within 30 days, or

as otherwise agreed. After remedy, the Parties repeat the relevant checks.

4.4. The Equipment is deemed accepted when it meets Annex 1 requirements and

passes the functional check. Acceptance may be signed with a punch-list of minor

defects and agreed deadlines for their remedy.

5. Warranty

5.1. The Seller provides a warranty of 12 (twelve) months from the Acceptance

Certificate date (or 30 days after delivery, whichever occurs first).

5.2. The warranty covers defects in materials and workmanship. Warranty service

includes labour, spare parts and two-way transport/logistics within the European

Union at the Seller’s cost.

5.3. If the repair exceeds 28 days, the Seller will provide a loaner unit (temporary

replacement) or extend the warranty by the documented downtime, at the Buyer ’s

option.

5.4. Spare parts & availability: The Seller warrants availability of spare parts and

paid maintenance for not less than 7 years after acceptance.

5.5. Software support: during the warranty, corrective updates and compatibility

fixes are included.

5.6. The warranty does not cover mechanical, thermal or chemical damage, normal

wear and tear that's caused by misuse or unauthorised modifications by the Buyer.

6. After-Sales Service (Support)

6.1. The Seller provides technical support via email [email protected] or by phone

+371 6714041 on business days 10:00-16:00 by EET/UTC+2:00.

6.2. Fault diagnosis and correction timelines. The Seller shall offer:

(a) Diagnostic support within 48 hours: within Forty-eight (48) hours of the Buyer’s

written notice of a suspected fault, provide active remote technical assistance

(including log/trace analysis, guided test steps, and confirmation of findings) sufficient

to identify and verify the fault and its severity, at no additional cost to the Buyer; and

(b) Permanent correction within 28 days: permanently correct any confirmed

non-conformity or defect within twenty-eight (28) calendar days from the Buyer’s

initial notice. Failure to meet this deadline constitutes a material breach; in such

case, the Buyer may exercise remedies under Sections 5.3 and 12.2 (including

repair/replacement, price reduction, or termination), and the warranty period shall be

extended by the documented downtime.

6.3. Return-to-depot service (Latvia). If remote resolution is determined by Seller as

not feasible, the Buyer ships the equipment to the Seller’s service depot in Latvia

(address as notified by the Seller). The Seller performs warranty repair or

replacement at the depot and ships the equipment back to the Buyer. In confirmed

warranty cases, round-trip transport within the European Union is arranged and paid

by the Seller.

6.4. Preventive maintenance & calibration: as recommended by the manufacturer

and agreed in writing between the Parties.

7. Intellectual Property (IP) and Data

7.1. IP rights to the Equipment, software and documentation remain with the Seller or

its licensors.

7.2. The Buyer is granted a non-exclusive, non-transferable licence to use the

software with the Equipment and to process data acquired with the Equipment.

7.3. Data ownership: all raw and processed measurement data collected by the

Buyer belong to the Buyer. The Seller may not use such data beyond Contract

performance without the Buyer’s prior written consent (aggregated/anonymous

statistics excepted if agreed).

7.4. Reverse engineering, decompilation and redistribution are prohibited except as

permitted by law.

8. Compliance, Export Controls and Sanctions

8.1. The Seller ensures the Equipment complies with EU and applicable standards

(including CE marking and safety requirements, where applicable).

8.2. The Seller is responsible for obtaining required export/import licences in its

jurisdiction and confirms compliance with US/EU export controls and sanctions

regimes. The Buyer will not re-export the Equipment to sanctioned jurisdictions.

8.3. The Parties comply with applicable anti-bribery and anti-corruption laws.

9. Liability

9.1. Each Party is liable for direct damages caused by its breach. The Seller ’s

aggregate liability for damages, penalties and costs under this Contract shall not

exceed the total Contract price, except for personal injury, wilful misconduct or

gross negligence.

9.2. Indirect or consequential losses (including lost profits) are excluded to the extent

permitted by law.

10. Force Majeure

10.1. A Party is not liable for delay or non-performance caused by an event beyond

its reasonable control (natural disasters, war, strikes, epidemics, etc.). The affected

Party shall notify the other Party without undue delay and use reasonable efforts to

mitigate the impact.

11. Public Disclosure and Data Protection

11.1. The Buyer is a public sector body. This Contract may be wholly or partly

public under Estonian law (incl. Public Information Act). Trade secrets and

confidential information shall be clearly marked and will not be disclosed except as

required by law.

11.2. If personal data are processed, each Party shall comply with GDPR and

applicable laws; a separate data processing agreement will be signed if necessary.

12. Term, Termination and Survival

12.1. This Contract enters into force upon signature and remains in effect until all

obligations are fulfilled.

12.2. Either Party may terminate for material breach if the breach is not cured within

30 days after written notice.

12.3. Provisions that by their nature should survive (confidentiality, IP, liability limits,

governing law, dispute resolution) shall survive termination.

13. Governing Law and Dispute Resolution

13.1. This Contract is governed by the laws of the Republic of Estonia. The CISG

(UN Convention on Contracts for the International Sale of Goods) shall not

apply.

13.2. Disputes shall first be resolved by negotiations. Failing settlement, the dispute

shall be submitted to the Harju County Court (Harju Maakohus).

14. Notices and Assignment

14.1. Notices shall be in writing to the contacts below. Email notices with signed PDF

are deemed received on the next business day.

14.2. The Seller may not assign this Contract without the Buyer’s prior written

consent.

15. Entire Agreement, Priority of Documents and Annexes

15.1. This Contract together with Annexes constitutes the entire agreement and

supersedes prior understandings on the subject.

15.2. Order of precedence (highest to lowest): (i) this Contract; (ii) Annex 1 (Seller’s

Quotation Zond_x500_GPR_Quotation_2.pdf – Technical Specification & Supply

Scope); (iii) Annex 2 (Acceptance-Delivery Certificate).

15.3. Languages: This Contract is drawn up in English. If a translation is prepared,

the English version prevails in case of discrepancy.

16. Parties’ Details

Buyer

Geological Survey of Estonia (EGT)

Address: F. R. Kreutzwaldi 5, 44314 Rakvere, Estonia

Registry code: 77000387

VAT No: EE102038860

Contact person in contract-related matters: Tavo Ani, senior geologist

Email: [email protected]

Phone: +372 5554 0729

Seller

Radar Systems Inc

Address: Darzauglu str. 1-105, Riga, LV1012, Latvia

Registry code: 40003304651

VAT No: LV40003304651

Contact person: Sergejs Zelenkovs

Email: [email protected]

Phone: (+371) 6714 1041

17. Signatures

Signed in two counterparts (including digitally), each having the force of an original.

Buyer: Geological Survey of Estonia (EGT)

Name: Sirli Sipp Kulli

Title: director

Signature: signed digitally

Date: __________________________

Seller: Radar Systems Inc

Name: Vladimirs Zolotajovs

Title: Managing Director

Signature: signed digitally

Date: __________________________

Annexes (Integral Part)

 Annex 1. Seller’s Quotation Zond_x500_GPR_Quotation_2.pdf (Technical

Specification & Supply Scope)

 Annex 2. Acceptance -Delivery Certificate