Inscrivez-vous ou connectez-vous pour rejoindre votre communauté professionnelle.
Just communicate or talk to him directly that companyXYZ is offering you a better position or pay, from his/her respond you will immediately know what will be your next step.
i SHALL EXPLAIN TO BOSS ABOUT NEW OFFER AND THE FACILITIES AVAILABLE FOR A NEW CONTRACT. HE WILL NEVER MIND ON THIS GROUND.