Citi Appointed Depositary Bank for Celyad’s ADR Programme

Citi, acting through Citibank N.A., has been appointed by Celyad SA ("Celyad”), a leader in engineered cell therapy treatments, as depositary bank for their Level 3 American Depositary Receipt (ADR) programme listed on NASDAQ, which trades under symbol "CYAD”. Each ordinary share is equivalent to 1 ADR. Celyad’s ordinary shares are listed on Euronext Brussels and Euronext Paris and also trade under symbol "CYAD”.

"Citi is delighted to be appointed by Celyad as depositary bank for their NASDAQ listed ADR programme,” said Dirk Jones, Global Head of Issuer Services, at Citi. "We will work closely with Celyad to assist them in identifying additional ADR holders and in expanding their US shareholder base by leveraging our equities distribution network.”

For more information on Citi’s Depositary Receipt Services, visit www.citi.com/dr.

About Celyad

Founded in 2007, and based in Belgium, Celyad is a leader in engineered cell therapy treatments with clinical programs initially targeting indications in cardiology and oncology. Celyad is developing its lead cardiovascular disease product candidate, C-Cure®, for the treatment of ischemic heart failure, and has completed enrolment of a Phase III trial in Europe and Israel. In addition, the Company is developing a novel portfolio of CAR T-cell therapies that utilize human Natural Killer cell receptors for the treatment of numerous blood and solid cancers. Its lead oncology product candidate, NKG2D CAR T-cell, entered a Phase I clinical trial in April 2015.

Celyad's shares are listed on Euronext Brussels, Euronext Paris and NASDAQ under the ticker symbol CYAD.

To learn more about Celyad, please visit www.celyad.com.

About Citi

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. Additional information may be found at www.citigroup.com | Twitter: @Citi | YouTube: www.youtube.com/citi | Blog: http://new.citi.com | Facebook: www.facebook.com/citi | LinkedIn: www.linkedin.com/company/citi

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