Cookies Policy

Effective date: 11 May 2026

Last updated: 11 May 2026

This Cookies Policy explains what cookies and similar technologies are, how we use them on the Coretheus website (coretheus.com), and how you can manage them. It complements our Privacy Policy, which describes how we handle personal data more broadly.

This Policy is provided by:

Coretheus Sp. z o.o. Al. Marszałka Piłsudskiego 12, 43-100 Tychy, Poland KRS 0001185695 · NIP 6463022515 · REGON 542311737 Contact: contact@coretheus.com

1. What cookies and similar technologies are

A cookie is a small text file placed on your device (computer, phone, tablet) when you visit a website. Cookies allow the website to recognize your device, store preferences, and operate functions that need to remember state across page loads or visits.

Other technologies serve similar purposes and are covered by this Policy where applicable:

• Local storage and session storage — data stored in your browser, not transmitted on every request

• Pixels and tracking tags — small images or scripts that record visits

• Fingerprinting — identification based on device or browser characteristics

For simplicity, we use the word "cookies" throughout this Policy to refer to all of the above.

Cookies are governed in the EU primarily by the ePrivacy Directive (2002/58/EC), implemented in Polish law through the Telecommunications Law (Prawo telekomunikacyjne, Article 173), and by the GDPR where cookies process personal data.

2. How we approach cookies

Our approach is restrained. We:

• Use only the cookies we genuinely need

• Ask for consent before setting any cookie that is not strictly necessary

• Do not use cookies for behavioral advertising, cross-site tracking, or sharing browsing data with social networks

• Do not use cookies to build profiles of you

• Respect Do Not Track (DNT) browser signals where reasonably feasible

If you change your mind about consent at any time, you can update your preferences through the cookie banner (accessible via the link in the footer) or through your browser settings.

3. Categories of cookies we use

We classify cookies into four categories, in line with EU guidance.

3.1 Strictly necessary cookies (no consent required)

These cookies are essential for the website to work. They cannot be switched off because, without them, parts of the site would not function. They do not require your consent under Article 173 of the Telecommunications Law because they are necessary to deliver the service you requested.

Cookie / storage item Provider Purpose Retention Session identifier Hostinger (hosting provider) Maintains your session and basic site security Until session ends Load balancing Hostinger Routes your requests to the correct server Session cookie_consent Coretheus Stores your cookie consent preferences 12 months CSRF token Coretheus Protects forms against cross-site request forgery Session

3.2 Preference cookies (functional)

These cookies remember choices you make to enhance your experience. Where they are strictly necessary to provide a function you explicitly requested (such as remembering a language choice you actively made), they are treated as functional and do not require separate consent.

Cookie / storage item Provider Purpose Retention language_preference Coretheus Remembers your selected language (EN, PL, DE) 12 months

3.3 Analytics cookies (consent required)

These cookies, if used, would help us understand how visitors use the website so we can improve it.

As of the date of this Policy, no analytics cookies are active on our website. We will not load analytics cookies without your consent. If we add analytics in the future, we will update this Policy and ask for your consent through the cookie banner before any non-essential tracking begins.

If we add analytics, we plan to use privacy-respecting tools that operate in aggregate (such as Hostinger's built-in analytics, Plausible, or Fathom) rather than profile-building trackers.

We do not use:

• Google Analytics

• Meta (Facebook) Pixel

• LinkedIn Insight Tag

• TikTok Pixel

• Microsoft Clarity

• Hotjar or other session recording tools

3.4 Marketing cookies

We do not use marketing, advertising, or behavioral targeting cookies.

4. Third-party cookies

Some cookies on our website are set by third parties whose services we use. The current third-party context is:

Hostinger — our website host may set cookies necessary to operate the hosting infrastructure (load balancing, security). Hostinger's own cookie practices are governed by their privacy policy: https://www.hostinger.com/privacy-policy

Web3Forms — used to process contact form submissions. Web3Forms processes data in transit but does not, to our knowledge, set persistent cookies on our site. See: https://web3forms.com/privacy

If you click on a link to an external website (e.g., LinkedIn or X in our footer), that website will set its own cookies on its own domain. We do not control how third-party websites use cookies.

5. Your choices and how to manage cookies

You have several ways to control cookies on our website.

5.1 Cookie consent banner

When you first visit our website, you will see a banner asking you to accept or reject non-essential cookies. You can:

• Accept all cookies

• Reject all non-essential cookies

• Customize your choices by category

You can change your decision at any time by clicking the cookie settings link in the footer.

5.2 Browser settings

All modern browsers allow you to block, delete, or restrict cookies. Be aware that blocking strictly necessary cookies may break parts of the site.

How to manage cookies in common browsers:

• Google Chrome: Settings → Privacy and security → Cookies and other site data

• Mozilla Firefox: Settings → Privacy & Security → Cookies and Site Data

• Apple Safari (macOS): Safari → Settings → Privacy

• Apple Safari (iOS): Settings app → Safari → Privacy & Security

• Microsoft Edge: Settings → Cookies and site permissions → Manage and delete cookies and site data

• Opera: Settings → Privacy & security → Cookies and other site data

Additional information about cookies and how to control them is available at https://www.allaboutcookies.org and https://www.youronlinechoices.eu.

5.3 Mobile devices

On iOS and Android, you can also reset or limit advertising identifiers from your device privacy settings.

6. Do Not Track

We respect Do Not Track (DNT) signals. When your browser sends a DNT signal, we will not load any non-essential cookies on your visit, regardless of any previous consent. Strictly necessary cookies will still be set because they are required for the site to function.

7. Personal data and cookies

Where the cookies we use process personal data (such as IP addresses), the processing is also subject to our Privacy Policy. This includes:

• The legal basis for processing (typically Article 6(1)(f) GDPR — legitimate interest — for strictly necessary cookies, and Article 6(1)(a) GDPR — your consent — for non-essential cookies)

• Your rights regarding the personal data processed through cookies

• How to contact us with questions or requests

8. Changes to this Cookies Policy

We may update this Policy when our cookie usage changes, when we introduce new tools, or when laws require updates. The "Last updated" date will reflect any changes. For material changes (such as introducing analytics or new third parties), we will re-prompt you through the cookie banner so you can review your choices.

9. Contact

For any questions or concerns about cookies on our website:

Email: contact@coretheus.com

Postal address: Coretheus Sp. z o.o. Al. Marszałka Piłsudskiego 12 43-100 Tychy, Poland

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