Psychological adjustment is considered as significant variable that affects employee’s behaviour and reactions in the implementation of changes in organization. The common features of organization and individual psychological characteristics of employee lead to a better or worse psychological adjustment to changes in the organization. In the analysis of the employees’ individual reactions to changes are important personality traits that are associated with psychological adjustment to changes. Employees with different personality traits may react differently to the same situations or changes in the workplace. The purpose of this article – to assess the relationships between employees’ personality traits and psychological adjustment to economic crisis caused organizational changes. The study was conducted in 2009, a period when almost all organizations in Lithuania were affected by the economic crisis. The subjects of the study were 110 employees, 54 (40 women and 14 men) working in stock company and 56 (18 women and 38 men) working in public service. Methods. Personality traits were assessed by NEO Personality Inventory (NEO PI-R), which consist of 240 items and measure the five personality traits: Neuroticism (Cronbach α - 0,90), Extraversion (Cronbach α – 0,88), Openness to experience (Cronbach α – 0,77), Agreeableness (Cronbach α – 0,82), and Conscientiousness (Cronbach α – 0,88). Psychological adjustment to change was identified by two scales: Reaction to Organizational Change Scale (developed 2009 by Buksnyte ir A.Ciunyte) and Coping with Organizational Change Scale (Judge et.al., 1999). Reaction to Organizational Change Scale (Cronbach α – 0,78) consists of 17 items and measures the employees’ responsiveness to the organizational changes during the economic crisis in Lithuania. [...]