Please read these terms of use carefully. By accessing, visiting or using this website, you, personally and on behalf of the legal entity of which you are a representative, an agent or an employee when acting in such capacity, agree to be bound by these terms and you represent and warrant that you are duly authorized to be so bound. These terms of use are subject to change without notice. You are therefore advised to read these terms of use regularly. Your continued access and use of this website after changes to the provisions are posted constitutes your acceptance of such provisions as amended. If you do not agree with these terms of use, please do not access, visit nor make any use of this website or the information or materials included therein.

1. Definition and general access rules

TIANGEN BIOTECH (BEIJING) Co.,LTD., ("TIANEGN", “We”) a wholly owned subsidiary of QIAGEN N.V., operates this website to provide information, education and communication to the whole life science community, as well as to sell products and services to our customers. Our contact details are listed on the Web page "Contact us". Certain sections or pages of the website contain separate and/or additional terms and conditions, like our Privacy Policy. Those separate terms and conditions are in addition to these Terms of Use, which govern your access and use of this website, any materials or information provided by you to TIANGEN and by TIANGEN to you on or from this website ("Materials") and any e-mail correspondence between us. In the event of a conflict, the separate and/or

additional terms and conditions will prevail over these Terms of Use for those sections or pages.

By accessing and using this website, you accept and agree to these Terms of Use . If you do not agree to these Terms of Use, please do not use this website.

Unless otherwise expressly provided, Materials offered on this website do not constitute an offer or solicitation to conduct business in any jurisdiction. Persons accessing, visiting or using this website must satisfy themselves that the laws of their country allow them to access the information or must refrain from accessing, visiting and/or using the website accordingly.

You are prohibited from posting on or transmitting through the website any unlawful, indecent, threatening, libelous, defamatory, obscene, scandalous, inflammatory, pornographic, or profane materials, or materials liable to incite racial hatred or in breach of confidence, in breach of privacy or for which you have not obtained all necessary licenses and/or approvals, or any material that could constitute or encourage conduct that would or may be considered a criminal offence, give rise to civil liability, or otherwise violate any law or regulation of, or infringe the rights of any third party under your respective laws. TIANGEN will fully cooperate with any law enforcement authorities or court order, when it is legally obliged to do so, requesting or directing TIANGEN to disclose the identity of anyone posting or transmitting any such information or materials.

2. No warranties and limitation of liability

Materials provided on this website are provided on an “as is” basis, without any warranties of any kind, whether express or implied, including, without limitation, any warranties of quality, merchantability, fitness for a particular purpose, or non-infringement of intellectual property rights. Under no circumstances shall TIANGEN, its affiliated operating entities, or any third party referenced on this website be liable for any direct, indirect, incidental, special or consequential damages (including, without limitation, damages for loss of profits, loss of data or business interruption), whether arising out of or in connection with the use of, or inability to use, this website, or the results of the use of this website, any websites linked to this Website, or any materials or information contained on any or all such websites. Applicable law may not allow the exclusion of incidental or consequential damages and/or the exclusion of implied representations and warranties; therefore, some or all of the above exclusions may not apply to you. Furthermore, TIANGEN does not warrant that (i) this website or the servers that make it available will be free from errors, viruses, worms or “Trojan horses,” or (ii) the materials on this website are accurate, timely or complete. The materials on this website may be out of date, and, except as required by applicable law, TIANGEN undertakes no obligation to update such materials.

3. Intellectual property rights

The Materials contained in this website are protected by Intellectual Property Rights ("IPRs"), which are claimed by TIANGEN, its affiliated entities or third parties. IPRs include, but are not limited to, any of TIANGEN's, its affiliates or third parties patents, trademarks, trade names, inventions, copyrights, (registered and unregistered) design rights, databases, or know how and any other intellectual property relating to the website and the Materials.

The Materials may not be used (except as provided in these Provisions or in the text on the website) without the prior written permission of TIANGEN, its affiliated entities or the third party owner. Nothing contained on the website should be construed as granting you, your agents or employees any license or written permission to use the Materials or IPRs. You may, however, download Materials for non-commercial, personal use only, provided you also retain and do not alter any copyright and other proprietary rights notices contained on the Materials. TIANGEN does not authorize you to distribute, modify, transmit, reuse, report, decompile, reverse engineer or use the Materials and other contents of the website for public or commercial purposes, including the text, images, audio and video. Your unauthorized use of any IPRs, Materials or any other content on the website is strictly prohibited.

TIANGEN does not warrant or represent that your use of content or Materials contained in or displayed on this website will not infringe intellectual property or other rights of third parties not owned by or affiliated with TIANGEN.

4. Links to third-party websites

This website also contains links to websites published by third parties. Links to this website may also be included on third party websites. TIANGEN has not reviewed all of the websites linked to or from the website and is neither responsible nor liable for the contents of any off-website pages or any other non-TIANGEN websites linked to or from the website. TIANGEN provides or allows such links as a convenience and does not endorse the companies or contents of any linked sites. By creating a link to a third party website or by being a target of a link from a third party website, TIANGEN does not endorse or recommend any products or services offered on that third party website nor does TIANGEN identify with the content of such websites. Neither does TIANGEN express any implied or explicit appreciation as to the accuracy and / or reliability of the information to be found, directly or indirectly, on any third party website or as to the reliability and / or honorableness of any third party. Your linking to or from any other off-website pages or other websites is at your own risk.

5. Unauthorized access or modification

Access to and use of password protected and/or secure information areas of the website are restricted to authorized users only. Unauthorized attempts to access such information or areas of the website may result in legal liability, including, but not limited to, the suspension or termination of access to this website. You, personally, may not, nor shall you assist others to, add, alter, substitute, amend or frame in whole or in part any information displayed by TIANGEN on the website or any functions performed by the website. You may set up links from other websites to the home page of this website. However, you must first obtain the prior written consent of TIANGEN to set up links to any other pages within this website, whether by hypertext linking, deep linking, framing, tagging or otherwise.

6. Severability and changes

In the event any of the Provisions would be held to be unenforceable, the remaining Provisions shall remain in full force and effect and the unenforceable Provision shall be replaced by such enforceable Provision as comes closest to the intention underlying the unenforceable Provision.

7. Governing law and jurisdiction

Any dispute arising out of or in connection with this website and these Terms of Use shall be governed by the laws of the People’s Republic of China (excluding the laws of Hong Kong, Macao and Taiwan). You agree that any such dispute shall be subject to the jurisdiction of the people’s court at the place where TIANGEN BIOTECH (BEIJING) Co.,LTD. is located.