1. Vladimir A. Stroh, Ekaterina S. Iskandarova National Research University Higher School of Economics Moscow, Russia

2. Background  Mergers and acquisitions is one of the most complicated forms of innovation management.  It occurs in the context of various strategies and can influence different levels of organization. 2

3. Organizational commitment is a psychological state which describes the strength of relationship between an employee and an organization and reveals as desire to remain a part of the organization (Meyer & Allen, 1991)  affective commitment  continual commitment  normative commitment 3

4. Empirical study  The study was conducted on the base of two telecommunication companies integration process (2008-2009), as a result of which the «Beeline» company has acquired 100% shares of the «Golden telecom» company. 4

5. Empirical study  Three measurements of the organizational commitment has been made on the same sample (N=120, 60 persons from the each company) during six months. 5

6. Empirical study  Allen and Meyer's Organizational Commitment Scale and semi- structured interview with the top- managers of both companies were used. Measurements were made on every stage of the integration process. 6

7. Conceptual design of study 1 2 3 Legenda: B – “Beeline” and G – “Goldentelecom” B G G B B B 7

8. Results  Continual commitment 8

9. Results  Normative commitment 9

10. Results  Affective commitment 10

11. Conclusions  Our study enabled to establish some consistent patterns in dynamics of organizational commitment level during the process of companies’ integration.  It provides some base for working out special programs of psychological support of the personnel during mergers and acquisitions processes. 11

12. Thank you for your attention! 12