Sigma-Aldrich^® Brand 50th Anniversary Golden Catalog Sweepstakes

Official Rules

NO PURCHASE NECESSARY TO ENTER OR WIN. A PURCHASE OR PAYMENT OF ANY KIND WILL NOT INCREASE YOUR CHANCES OF WINNING. VOID WHERE PROHIBITED BY LAW. ENTRY IN THIS DRAWING CONSTITUTES YOUR ACCEPTANCE OF THESE OFFICIAL RULES.

1. SPONSOR: Sigma-Aldrich Corporation, 3050 Spruce Street, St. Louis, MO (together with its affiliates, “Sponsor” or “us”).

2. BINDING AGREEMENT: By entering into the Drawing (as defined below), each person submitting or attempting to submit an entry (“Entrant” or “you”) agrees to be bound by these Official Rules (“Rules”) and the decisions of Sponsor, which are final and binding. Therefore, please read these Rules prior to entry to ensure you understand and agree. An Entrant may not submit an entry to the Drawing and is not eligible to receive the Prizes described in these Rules unless the Entrant agrees to these Rules.

3. TERM: The entry period for the Sigma-Aldrich^® Brand 50th Anniversary Golden Catalog Sweepstakes (“Drawing”) begins on 12:01amET on October 15, 2025, and ends at 11:59pmET on December 15, 2025 (the “Promotion Period”). Sponsor is the official timekeeper for the Drawing. ENTRANTS ARE RESPONSIBLE FOR DETERMINING THE CORRESPONDING TIME ZONE IN THEIR RESPECTIVE JURISDICTION.

4. ELIGIBILITY: To be eligible for the Drawing, as of the start of the Drawing Period, Entrants must have reached the age of majority in their place of residence, be at least eighteen (18) years old and have access to the internet. Drawing is void where prohibited by law.

The following individuals are not eligible to participate:

• Officials and employees of any local, state, provincial or federal or other government or government agency;
• Employees of the Sponsor or its affiliates and their immediate family and household members;
• Healthcare professionals (HCPs) and employees of healthcare organizations (HCOs); and
• Employees of academic institutions located in or providing services in Vermont.

If you are entering the Drawing on behalf of your employer, these rules are binding on you, individually, and/or your company. If you are acting within the scope of your employment, as an employee, contractor, or agent of another party, you warrant that such party has full knowledge of your actions and has consented thereto. You further warrant that your actions do not violate your employer or company’s policies and procedures.

5. TO ENTER: TO ENTER: To enter, Entrants must either (a) complete the web form at https://www.sigmaaldrich.com/50th-anniversary-sweepstakes, including a picture of or a selfie with your favorite Sigma-Aldrich^® product (“Picture”), or (b) take a Picture and post it on your public Instagram profile, tagging @MerckLifeSicence and using #SigmaAldrich50 AND #Sweepstakes. Subsection (a) or (b) above which meet the above requirements shall constitute an entry. Subsection (b) only a valid entry in the countries where not prohibited by law. If chosen as a potential winner through an entry via subsection (b), you may be required to complete a different webform in order to receive the Prize (as defined below)

All entries via Instagram must comply with Instagram Terms of Use available at https://help.instagram.com/581066165581870. All entries must be received on or before the end of the Promotion Period.

LIMIT ONE (1) ENTRY PER PERSON DURING THE PROMOTION PERIOD. Subsequent entries will be disqualified. Sponsor is not responsible for: (i) lost, late, incomplete, invalid, illegible, unintelligible, incomplete, damaged, altered, counterfeit, obtained through fraud, late, or misdirected entries, which will be disqualified; (ii) for failed, partial or garbled computer transmissions; (iii) for technical failures of any kind, including, but not limited to electronic malfunctioning of any network, hardware or software; or (iv) for any error, technical or otherwise. Sponsor reserves the right, in its sole discretion, to disqualify any entry not in compliance with these Rules. ODDS OF WINNING DEPEND ON THE NUMBER OF ELIGIBLE ENTRIES. In the event of a dispute regarding who submitted an entry via web form, the entry will be deemed submitted by the authorized account holder of the email address submitted at the time of entry. For purposes of the web form entry, “authorized account holder” is defined as the natural person who is assigned to an email address by an Internet access provider, online service provider or other organization that is responsible for assigning email addresses for the domain associated with the submitted email address. A selected Entrant may be required to provide Sponsor with proof that such person is the authorized account holder of the email address associated with the selected entry through the web form. In the event of a dispute regarding who submitted an entry via Instagram, the entry will be deemed submitted by the authorized account holder of the Instagram account used to submit the entry, and the potential winner may be required to show proof of being the authorized account holder for that Instagram account. For purposes of the Instagram entry, “authorized account holder” is the natural person assigned to the Instagram account by the e-mail administrator at the time of account creation. Entries become the sole property of the Sponsor.

6. SUBMISSION REQUIREMENTS: All entries must be original to Entrant and must not infringe any third-party proprietary rights, intellectual property rights, industrial property rights, personal or moral rights or any other rights, including without limitation, copyright, trademark, patent, trade secret or confidentiality obligations, or otherwise violate applicable laws. No trademarks, logos, company names or advertising of third parties are allowed unless expressly permitted by the Sponsor. Content may not be offensive or defamatory, as determined by the Sponsor in its sole discretion. In addition to all other rights contained herein, the Sponsor reserves the right, in its sole discretion, to reject and/or disqualify any entries (in whole or in part) that the Sponsor deems, in its sole discretion, to be threatening, abusive, harassing, offensive, obscene, defamatory, libelous, hateful, embarrassing to another person or entity, profane, discriminatory, false, misleading or deceptive, invasive of another’s privacy, tortious, or that promote illegal behavior, or otherwise are inconsistent with its editorial standards or reputational interests, or that the Sponsor believes may violate any applicable law or regulation, these Rules or the rights of any third party. Entrant shall indemnify, defend and hold harmless Sponsor, its affiliates and its and their directors, officers and employees (each an “Indemnified Party”) from against all claims, actions, liabilities, losses, demands, damages, fines, penalties, costs and expenses (including, without limitation, attorneys’ fees), arising from any third party claim to which any Indemnified Party is or may become subject insofar as they are based upon, arise out of or are alleged or claimed to arise out of or in connection with the infringement of any intellectual property or other proprietary rights of any third party.

7. ELECTRONIC COMMUNICATIONS: By submitting your entry, you agree to communicate for the purpose of this Drawing with Sponsor electronically. By agreeing to do business electronically, you (i) agree that your consent to these Rules is a binding form of your electronic signature, which you agree binds you to these Rules, (ii) represent that you have Internet access and a valid email address enabling you access to information pertaining to the Drawing online and to receive communications and documents electronically, and (iii) represent that you have a printer or other device to print or otherwise save communications and documents including, without limitation, these Rules and that you have, in fact, printed or otherwise saved a copy of these Rules for your records. This consent is effective unless and until you withdraw it. You may withdraw your consent to electronic communication and delivery of documents, update your contact information, or request a free paper copy of these Rules at any time by contacting us as set forth in these Rules. We will send you a confirmation notice once we have processed your change request.

8. WINNER SELECTION AND NOTIFICATION: Fifty (50) potential winners will be selected in various intervals on or before the end of the Promotion Period. Potential winner will be notified by e-mail at the e-mail address or by phone at the phone number specified at the time of entry. Potential winner must respond by return e-mail or phone call and accept the Prize on or before December 15, 2025. If the potential winner does not accept the Prize on or before this time, the original potential winner shall be deemed to have forfeited the Prize and the Sponsor shall conduct another random drawing to select another winner. If you are selected as a potential winner of a Prize, you may be required to sign an affidavit and release in order to receive your Prize.

9. PRIZE: A total of fifty (50) Entrants will receive the prize. The prize is a reprinted replica of the 1975-1976 Aldrich^® Catalog in a golden anniversary sleeve (“Prize”). Approximate retail value (“ARV”) of €89. Prize is not transferable and must be accepted as awarded, with no substitutions of any kind, except by the Sponsor, which reserves the right to substitute the Prize (or portion thereof) with one of comparable or greater value, at its sole discretion. All federal, state, and local taxes, as well as any other costs and expenses associated with Prize acceptance and use not specified herein as being provided are the potential winner’s responsibility. All Prize details are at the Sponsor’s sole discretion. Each Prize comes with the standard warranty as described in the Prize documentation, if applicable. Sponsor makes no other warranties or representations whatsoever relative to the quality, conditions, fitness or merchantability of any aspects of the Prize that is awarded. Sponsor shall be responsible for shipping and handling charges related to delivery of the Prize.

10. CHARITABLE GIVING: For each eligible entry submitted during the Promotion Period, Sponsor will donate $1.00 to a charity working to make science, technology, engineering, and mathematics (STEM) more accessible and inclusive for students with disabilities and neurodivergent youth, up to a maximum total donation of $50,000.00. The donation will be paid within 90 days after the Promotion Period ends. Entries are only eligible for the donation if they comply with the Rules. Entrant further acknowledges and agrees that you will not receive any tax benefits or deductions related to the charitable donation made by Sponsor pursuant to the Drawing.

11. INTELLECTUAL PROPERTY RIGHTS / PUBLICITY: You grant to Sponsor and its affiliates exclusively as well as temporally, spatially and content wise unrestrictedly and without separate remuneration all rights of use, exploitation, ancillary copyrights and other protective rights (hereinafter referred to as “Rights”) to the name, image, and likeness, or other information in any and all media, including but not limited to your social media account username and profile picture and your Picture arising in connection with your participation in the Drawing (“Participation information”). In particular, the Sponsor and its affiliates shall be granted the Rights to reproduce, distribute, publicly present or make available to the public, promotional marketing, broadcast (sound, television and multimedia broadcasting), wire radio, wire distribution systems, cable television and transmission by satellite, in online services (internet, intranet, social media platforms, apps), mobile communications or other media of any kind, as well as for repeated exploitation. In particular, you agree that the Participation information will be posted in online services and included in printed advertising materials. You are aware that the Participation information is available worldwide when they are published on the internet and may not be deleted by the online services. Further use of the Participation information by third parties cannot therefore be ruled out in general.

You authorize the Sponsor and its affiliates to use Participation information without modification or under modification or redesign, while respecting moral / personal rights, in particular to arrange, shorten, synchronise, translate or transfer them into other forms of work, and to use the results created thereby in the same way as the Participation information (e. g. photomontages, use of the Recordings in connection with other pictures, films, film excerpts, texts or graphics, phototechnical alienation, retouching, colouring, image cropping, etc.). The granting of rights is for an unlimited period of time; in the event of revocation, you can revoke this consent via Stefanie.Schultze-de_Gamino@MerckGroup.com at any time with effect for the future.

After revocation the Participation information will be removed from the publications within a reasonable period of time and will no longer be used for new distributions or publication. Participation information in which you are not particularly highlighted or shown alone may in principle continue to be used, provided that your legitimate interests do not conflict with this; this applies in particular to group recordings or recordings of events. If your legitimate interests are opposed in such cases, it is sufficient if you are made unrecognizable on the Participation information within a reasonable period of time (e. g. by pixelation). The right of the Sponsor to use the Participation information in accordance with legal or contractual provisions shall remain unaffected by the revocation.

12. PRIVACY: By participating in the Drawing, you agree that your personal data including, photo, name, mailing address, phone number, email address, and name of company/university/institute (“Personal Information”) may be collected, processed, stored and otherwise used by the Sponsor, or any party authorized by them for the purposes of conducting and administering the Drawing, including Sponsor’s affiliates. This Personal Information may also be used by Sponsor or any party authorized by them, including its affiliates, to verify your identity, postal address and telephone number in the event you qualify for any applicable Prize as well as to deliver the applicable Prize.

You further agree that your Personal Information may be used to fulfill additional terms of the Drawing, to contact you in response to a question submitted by you, to contact you regarding Sponsor’s products or services that may be of interest to you, or to contact you regarding your participation in (including, but not limited to, your winning of) the Drawing.

You further agree that your Personal Information may be used in social media campaigns and/or marketing materials of the Company.

This Personal Information may also be shared by the Sponsor or any party authorized by them with any third-party for the purposes of fulfilling the terms of this Drawing or another service that you have requested, to support the Sponsor’s customer management, to comply with the law or in the good faith belief that such action is necessary in order to conform to the requirements of law or comply with legal process served on Sponsor, and to protect and defend Sponsor’s rights or property. You understand and agree that this may mean that your Personal Information is transmitted, processed or stored both in Merck KGaA (+49 6151 72-0) located in Frankfurter Strasse 250, 64293 Darmstadt and its affiliates, within Germany, the United States and internationally as we may share this Personal Information with our agents located in our various offices throughout the world to administer the Drawing. Some of those offices may be in countries with data protection laws different than those established under your national, state, provincial or local law.

If you wish to learn more about how we collect, process, share, store your personal information, and your rights as a data subject, you can click here to view our complete Privacy Statement and Consent Form for Personal Information Collection.

If you have any requests or questions, please feel free to contact our Local Data Protection Officer:

Data Protection Officer
16F, No.3, Building C, The New Bund World Trade Center, Lane 227 Dongyu Road
Pudong New District, Shanghai, China
Phone: +86 21 20338306
E-Mail: chinaprivacy@merckgroup.com

13. LIMITATION AND RELEASE OF LIABILITY: IN NO EVENT SHALL THE SPONSOR OR ITS AFFILIATES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES, OR LOSS OF PROFITS, INCURRED BY ENTRANTS OR ANY THIRD PARTY, WHETHER BASED ON WARRANTY OR IN CONTRACT, TORT, OR OTHER LEGAL THEORY, AND WHETHER OR NOT ADVISED OF THE POSSIBILITIES OF SUCH DAMAGES, ARISING FROM THE DRAWING, PRIZE, OR USE OF A PRIZE, EVEN IF THE SPONSOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. By accepting a Prize, the winner agrees to release and hold harmless the Sponsor, its affiliates and agents from any and all liability, loss or damages arising from or in connection with awarding, receipt and/or use of a Prize or participation in this Drawing, and they shall have no liability for any injury, misfortune, or damage to either persons or property incurred by entering, participating in or winning this Drawing.

14. RIGHT TO CANCEL, MODIFY, OR DISQUALIFY: The Sponsor reserves the right in its sole discretion to modify these rules and/or cancel the Drawing at any time without notice. Entrants agree that the Sponsor shall have no liability for unsuccessful efforts to notify any winning entrant, or for any injuries, losses, or damages by reason of the entrant’s participation in the Drawing or use of the Prize.

15. GENERAL CONDITIONS: All federal, state and local laws and regulations apply. The Sponsor reserves the right at its sole discretion to disqualify individuals who violate these rules, misrepresent themselves or provide misleading information to the Sponsor. Sponsor further reserves the right to disqualify any entrant who tampers with the submission process or any other part of the Drawing. Any attempt by an entrant to deliberately undermine the legitimate operation of the Drawing is a violation of criminal and civil laws and should such an attempt be made, Sponsor reserves the right to seek damages from any such entrant to the fullest extent of the applicable law. Entrants agree to be bound by the decisions of the Sponsor. The Sponsor will interpret these rules and resolve any disputes, conflicting claims or ambiguities concerning the official rules. If any provision of these official rules is found to be invalid by any court having competent jurisdiction the invalidity of such provision shall not affect the validity of the remaining provisions of these rules, which shall remain in full force and effect. The Sponsor reserves the right to modify or terminate the Drawing or to make such other decisions regarding the administration or outcome as the Sponsor deems appropriate. All decisions by the Sponsor are final.

16. GOVERNING LAW & JURISDICTION: This Drawing is governed by the laws of the Commonwealth of Massachusetts, USA, excluding any conflict of law principles. Any and all disputes, claims and causes of action arising out of or connected with this Drawing shall be exclusively resolved by the courts in Boston, Massachusetts, USA.

17. CONTACT & WINNER’S LIST: Any questions, complaints or queries shall be sent by mail to Sponsor at:

Merck KGaA
250 Frankfurter Strasse
Darmstadt, Germany 64293
Attention: Life Science Portfolio Branding Department

You may request the name of the winner after December 10, 2025, but before January 21, 2026, by sending a self-addressed stamped envelope to the same address.