The penalties are S$5.2 million ($3.65 million)and S$2.4 million, respectively.
The Monetary Authority of Singapore has also served notice of its intention to issue a prohibition order against Tim Leissner, a former director and representative of Goldman Sachs Singapore.
The proposed order will prohibit Leissner for a period of 10 years from performing any regulated activity under the Securities Future Act or taking part, directly or indirectly, in the management of any capital market services firm in Singapore.
The central bank said it was nearing the end of its 1MDB-related investigations and will provide a final update early next year. ($1 = 1.4250 Singapore dollars)