This is an announcement for the paper "Nontrivial twisted sums of $c_0$ and $C(K)$" by Claudia Correa and Daniel V. Tausk. Abstract: We obtain a new large class of compact Hausdorff spaces $K$ for which $c_0$ can be nontrivially twisted with $C(K)$. Archive classification: math.FA Mathematics Subject Classification: 46B20, 46E15 Remarks: 10 pages Submitted from: tausk@ime.usp.br The paper may be downloaded from the archive by web browser from URL http://front.math.ucdavis.edu/1505.06727 or http://arXiv.org/abs/1505.06727