1. self-introduction

Common expressions used for vote of thanks speech
I thank……
I am grateful to……
Let me express my gratitude to ….
I take this opportunity to thank…..
We remain grateful to…….
Our words may not be capable of communicating our sense of gratitude to….
We offer our sincere thanks to….
Permit me to mention our appreciation to …….
I bow my head in gratitude towards …..
May I take this occasion to salute him with a great applause.
We are happy to mention our obligation to….
We express our gratefulness to…
VOTE OF THANKS SAMPLES
1. Vote of thanks for a Valedictory Programme
Well, Mr. Chairman, ladies and gentlemen, an event like this cannot happen overnight. The wheels start rolling weeks ago. It requires planning and a bird’s eye for details. We have been fortunate enough to be backed by a team of very motivated and dedicated colleagues of our [institute / organization] who know their job and are result oriented.
I thank everyone for their involvement and their willingness to take on the completion of tasks beyond their comfort zones!
Good morning everybody!
It gives me immense pleasure to welcome you all at this valedictory function of the_________________________________________. I am extremely grateful to you all for sparing some of your valuable time for us and grace this occasion. 
I deem it a great privilege to extend a vote of thanks on this historic occasion. This day will be remembered as a milestone in the history of our ______department_____as it is the first occasion.
We thank the Hon'ble __Chief Guest__in today's programme inspite of his extremely busy schedule. Thank you a lot Sir.
I, on behalf of the entire organization extend a very hearty vote of thanks for gracing the function and sharing with this august audience your vision of _____Topic________for our country.
I would like to take this opportunity to express our hearty thanks to _____(organizer)_____for support and guidance he has extended to all of us in organizing this Programme.
We are very thankful to all the former Chairpersons & Vice-Chairpersons, Secretaries, Members for their support & valuable guidance.
I take this opportunity to extend our most sincere thanks to all our guest invitees who have come from different places for their immense support and cooperation.
I may also like to express our sincere thanks to media persons both print and electronic for giving an excellent coverage to our programme.

Mr. Chairman, ladies and gentlemen, once again I want to state that we are all most grateful to all speakers on this stage. We thank you for being with us this evening - it’s been a great pleasure.

Thank You Very Much! [applause]