Alten is a holding company. Through its subsidiaries, Co. operates in three areas: Engineering and Technology Consulting (ETC), Telecoms Networks and Multimedia, and Information Systems (NTIS). Through the Engineering and Technology Consulting (ETC) segment, Co. studies and designs technology products for technical divisions in industry and telecoms. The Telecoms Networks and Multimedia segment focuses on Product design, Architecture, deployment, and operation of networks. Lastly, the IT systems segment comprises Applications and software development, and Infrastructure and Telecoms (Applications, systems and networks Corporate telecommunications).

Cellectis is a gene-editing company employing its core proprietary technologies to develop products in the field of immuno-oncology. UCART19 is Co.'s lead product. UCART19 is an engineered T-cell product which drives its ability to target and kill CD19-bearing cells, such as B-cell malignancies. Co. is also developing wholly-owned product candidates UCART123, UCARTCS1 and UCART38, which are in various stages of development. UCART 123, UCARTCS1 and UCART38 are engineered T-cell products that bear CARs that seek to kill cells expressing targets CD123, CS1 and CD38, respectively, which are found in other hematologic tumors, such as acute myeloid leukemia, or AML, and multiple myeloma, or MM.

dormakaba Holding and its subsidiaries are engaged in the security industry. Co. offers its customers solutions that benefits in terms of security, organization and convenience. Co.'s offering ranges from individual components, products and systems to fully integrated solutions from a single source. Co.'s activities are organized along three business segments: Door Systems, which provides a flexible and extensive range of automatic doors, gates and wall systems; Access & Data Systems, which includes all hardware and softwarebased components and systems for access control solutions; and Key & Ident Systems which produces key blanks and key encoding machines for the duplication of keys.

Mercialys is a real estate company, specialized in the transformation and management of shopping centers. Co. manages a portfolio of 91 properties located throughout France at Dec 31, 2013. Co.'s assets are classified into three categories: large regional shopping centers (GLA of over 365,800 sq. m.), neighborhood shopping centers (GLA of over 181,600 sq. m.), and Other assets (40,900 sq. m.). At Dec. 31, 2013, the portfolio comprised 25 large regional shopping centers, 36 neighborhood shopping centers, and 18 other sites such as food stores, specialty stores, independent cafeterias, service malls, and convenience stores, representing a total gross leasable area of about 588,300 sq. m.

Neoen SA Formerly known as Neoen Sas. Neoen SAS is a France-based company specialized in the renewable energy sector. The Company operates, finances and develops a number of power plants from a variety of energy sources, including Solar, wind and Biomass. Its portfolio of power plants includes providencia, ombrineo, degrussa, cestas, ygos, luxey, geloux, seixal, cabrela, coruche, hornsdale I, bussy-lettree, raucourt II, villacerf, bais et trans, reclainville, chapelle vallon and la montagne. Apart from France, the Company is present in many other countries such as Portugal, Australia, Australia, Jordan, Zambia, Mozambique, Argentina, Jamaica, Mexico, Egypt and El Salvador, among others.