The use of information to support marketing decisions making is increasingly recognized. The majority of the advertising campaigns are built on insufficient and inadequate information. Especially on media planning practices adopts by ad-agencies in delivering the advertisements in media become complicated due to media explosion. The media planners have highlighted the need to utilize information available and held by their clients for effective anticipation and its developments media plan to gain competitive advantage over others. The main purpose of conducting brief meeting is to formally evaluate the current state/progress, growth of brands and its market structure in the light of the brand intention of the clients. If there is difference in perception of information sharing by ad-agencies and clients in the initial stage of media planning will dilute the company objectives which is hoping to achieve through media. The research findings of this paper highlights the brief meeting take place between the ad-agencies and clients can be considered a checklist and guide for the media planner. It always better for the clients to have understanding with ad-agencies in sharing information and consider ad-agencies as partners of their business.